diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
new file mode 100644
index 000000000..9372faac2
--- /dev/null
+++ b/.github/workflows/docs.yml
@@ -0,0 +1,39 @@
+on:
+  pull_request:
+    branches:
+      - main
+name: docs
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Setup Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run docs session
+      run: |
+        nox -s docs-3.10
+
+  docfx:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Setup Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run docfx session
+      run: |
+        nox -s docfx-3.10
diff --git a/.kokoro/presubmit/presubmit.cfg b/.kokoro/presubmit/presubmit.cfg
deleted file mode 100644
index ac4cc5847..000000000
--- a/.kokoro/presubmit/presubmit.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Disable system tests.
-env_vars: {
-    key: "NOX_SESSION"
-    value: "unit_noextras unit cover docs docfx"
-}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f7166d44..3b29a6a41 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,24 @@
 [1]: https://pypi.org/project/google-cloud-bigquery/#history
 
 
+## [3.34.0](https://github.com/googleapis/python-bigquery/compare/v3.33.0...v3.34.0) (2025-05-27)
+
+
+### Features
+
+* Job creation mode GA ([#2190](https://github.com/googleapis/python-bigquery/issues/2190)) ([64cd39f](https://github.com/googleapis/python-bigquery/commit/64cd39fb395c4a03ef6d2ec8261e1709477b2186))
+
+
+### Bug Fixes
+
+* **deps:** Update all dependencies ([#2184](https://github.com/googleapis/python-bigquery/issues/2184)) ([12490f2](https://github.com/googleapis/python-bigquery/commit/12490f2f03681516465fc34217dcdf57000f6fdd))
+
+
+### Documentation
+
+* Update query.py ([#2192](https://github.com/googleapis/python-bigquery/issues/2192)) ([9b5ee78](https://github.com/googleapis/python-bigquery/commit/9b5ee78f046d9ca3f758eeca6244b8485fe35875))
+* Use query_and_wait in the array parameters sample ([#2202](https://github.com/googleapis/python-bigquery/issues/2202)) ([28a9994](https://github.com/googleapis/python-bigquery/commit/28a9994792ec90a6a4d16835faf2137c09c0fb02))
+
 ## [3.33.0](https://github.com/googleapis/python-bigquery/compare/v3.32.0...v3.33.0) (2025-05-19)
 
 
diff --git a/google/cloud/bigquery/_helpers.py b/google/cloud/bigquery/_helpers.py
index 76c4f1fbd..c7d7705e0 100644
--- a/google/cloud/bigquery/_helpers.py
+++ b/google/cloud/bigquery/_helpers.py
@@ -388,7 +388,7 @@ def range_to_py(self, value, field):
 
 
 class DataFrameCellDataParser(CellDataParser):
-    """Override of CellDataParser to handle differences in expection of values in DataFrame-like outputs.
+    """Override of CellDataParser to handle differences in expression of values in DataFrame-like outputs.
 
     This is used to turn the output of the REST API into a pyarrow Table,
     emulating the serialized arrow from the BigQuery Storage Read API.
diff --git a/google/cloud/bigquery/_job_helpers.py b/google/cloud/bigquery/_job_helpers.py
index 4a884ada5..888dc1e73 100644
--- a/google/cloud/bigquery/_job_helpers.py
+++ b/google/cloud/bigquery/_job_helpers.py
@@ -37,7 +37,6 @@
 
 import copy
 import functools
-import os
 import uuid
 import textwrap
 from typing import Any, Dict, Optional, TYPE_CHECKING, Union
@@ -400,12 +399,6 @@ def query_and_wait(
 ) -> table.RowIterator:
     """Run the query, wait for it to finish, and return the results.
 
-    While ``jobCreationMode=JOB_CREATION_OPTIONAL`` is in preview in the
-    ``jobs.query`` REST API, use the default ``jobCreationMode`` unless
-    the environment variable ``QUERY_PREVIEW_ENABLED=true``. After
-    ``jobCreationMode`` is GA, this method will always use
-    ``jobCreationMode=JOB_CREATION_OPTIONAL``. See:
-    https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/query
 
     Args:
         client:
@@ -500,9 +493,8 @@ def query_and_wait(
         request_body["maxResults"] = min(page_size, max_results)
     elif page_size is not None or max_results is not None:
         request_body["maxResults"] = page_size or max_results
-
-    if os.getenv("QUERY_PREVIEW_ENABLED", "").casefold() == "true":
-        request_body["jobCreationMode"] = "JOB_CREATION_OPTIONAL"
+    if client.default_job_creation_mode:
+        request_body["jobCreationMode"] = client.default_job_creation_mode
 
     def do_query():
         request_body["requestId"] = make_job_id()
diff --git a/google/cloud/bigquery/_pandas_helpers.py b/google/cloud/bigquery/_pandas_helpers.py
index 6691e7ef6..10a5c59bb 100644
--- a/google/cloud/bigquery/_pandas_helpers.py
+++ b/google/cloud/bigquery/_pandas_helpers.py
@@ -1144,7 +1144,7 @@ def determine_requested_streams(
     """
 
     if preserve_order:
-        # If preserve order is set, it takes precendence.
+        # If preserve order is set, it takes precedence.
         # Limit the requested streams to 1, to ensure that order
         # is preserved)
         return 1
diff --git a/google/cloud/bigquery/client.py b/google/cloud/bigquery/client.py
index 8ad1586f4..c6873545b 100644
--- a/google/cloud/bigquery/client.py
+++ b/google/cloud/bigquery/client.py
@@ -221,6 +221,10 @@ class Client(ClientWithProject):
         client_options (Optional[Union[google.api_core.client_options.ClientOptions, Dict]]):
             Client options used to set user options on the client. API Endpoint
             should be set through client_options.
+        default_job_creation_mode (Optional[str]):
+            Sets the default job creation mode used by query methods such as
+            query_and_wait().  For lightweight queries, JOB_CREATION_OPTIONAL is
+            generally recommended.
 
     Raises:
         google.auth.exceptions.DefaultCredentialsError:
@@ -243,6 +247,7 @@ def __init__(
         client_options: Optional[
             Union[google.api_core.client_options.ClientOptions, Dict[str, Any]]
         ] = None,
+        default_job_creation_mode: Optional[str] = None,
     ) -> None:
         if client_options is None:
             client_options = {}
@@ -277,6 +282,7 @@ def __init__(
         self._connection = Connection(self, **kw_args)
         self._location = location
         self._default_load_job_config = copy.deepcopy(default_load_job_config)
+        self.default_job_creation_mode = default_job_creation_mode
 
         # Use property setter so validation can run.
         self.default_query_job_config = default_query_job_config
@@ -286,6 +292,15 @@ def location(self):
         """Default location for jobs / datasets / tables."""
         return self._location
 
+    @property
+    def default_job_creation_mode(self):
+        """Default job creation mode used for query execution."""
+        return self._default_job_creation_mode
+
+    @default_job_creation_mode.setter
+    def default_job_creation_mode(self, value: Optional[str]):
+        self._default_job_creation_mode = value
+
     @property
     def default_query_job_config(self) -> Optional[QueryJobConfig]:
         """Default ``QueryJobConfig`` or ``None``.
@@ -3532,13 +3547,6 @@ def query_and_wait(
     ) -> RowIterator:
         """Run the query, wait for it to finish, and return the results.
 
-        While ``jobCreationMode=JOB_CREATION_OPTIONAL`` is in preview in the
-        ``jobs.query`` REST API, use the default ``jobCreationMode`` unless
-        the environment variable ``QUERY_PREVIEW_ENABLED=true``. After
-        ``jobCreationMode`` is GA, this method will always use
-        ``jobCreationMode=JOB_CREATION_OPTIONAL``. See:
-        https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/query
-
         Args:
             query (str):
                 SQL query to be executed. Defaults to the standard SQL
@@ -4134,7 +4142,7 @@ def _list_rows_from_query_results(
                 rows that were affected.
             query (Optional[str]):
                 The query text used.
-            total_bytes_processed (Optinal[int]):
+            total_bytes_processed (Optional[int]):
                 total bytes processed from job statistics, if present.
 
         Returns:
diff --git a/google/cloud/bigquery/enums.py b/google/cloud/bigquery/enums.py
index 203ea3c7b..4cb7a056d 100644
--- a/google/cloud/bigquery/enums.py
+++ b/google/cloud/bigquery/enums.py
@@ -407,3 +407,22 @@ class BigLakeTableFormat(object):
 
     ICEBERG = "ICEBERG"
     """Apache Iceberg format."""
+
+
+class JobCreationMode(object):
+    """Documented values for Job Creation Mode."""
+
+    JOB_CREATION_MODE_UNSPECIFIED = "JOB_CREATION_MODE_UNSPECIFIED"
+    """Job creation mode is unspecified."""
+
+    JOB_CREATION_REQUIRED = "JOB_CREATION_REQUIRED"
+    """Job creation is always required."""
+
+    JOB_CREATION_OPTIONAL = "JOB_CREATION_OPTIONAL"
+    """Job creation is optional.
+
+    Returning immediate results is prioritized.
+    BigQuery will automatically determine if a Job needs to be created.
+    The conditions under which BigQuery can decide to not create a Job are
+    subject to change.
+    """
diff --git a/google/cloud/bigquery/job/query.py b/google/cloud/bigquery/job/query.py
index f9b99b7fb..954a46963 100644
--- a/google/cloud/bigquery/job/query.py
+++ b/google/cloud/bigquery/job/query.py
@@ -1529,7 +1529,7 @@ def result(  # type: ignore  # (incompatible with supertype)
                 a DDL query, an ``_EmptyRowIterator`` instance is returned.
 
         Raises:
-            google.cloud.exceptions.GoogleAPICallError:
+            google.api_core.exceptions.GoogleAPICallError:
                 If the job failed and retries aren't successful.
             concurrent.futures.TimeoutError:
                 If the job did not complete in the given timeout.
diff --git a/google/cloud/bigquery/table.py b/google/cloud/bigquery/table.py
index 3f472c490..3b1334bd3 100644
--- a/google/cloud/bigquery/table.py
+++ b/google/cloud/bigquery/table.py
@@ -44,7 +44,7 @@
     import geopandas  # type: ignore
 except ImportError:
     geopandas = None
-else:
+finally:
     _COORDINATE_REFERENCE_SYSTEM = "EPSG:4326"
 
 try:
@@ -1786,7 +1786,7 @@ class RowIterator(HTTPIterator):
             the first page is requested.
         query (Optional[str]):
             The query text used.
-        total_bytes_processed (Optinal[int]):
+        total_bytes_processed (Optional[int]):
             total bytes processed from job statistics, if present.
     """
 
diff --git a/google/cloud/bigquery/version.py b/google/cloud/bigquery/version.py
index 8304ac025..9e1393854 100644
--- a/google/cloud/bigquery/version.py
+++ b/google/cloud/bigquery/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "3.33.0"
+__version__ = "3.34.0"
diff --git a/noxfile.py b/noxfile.py
index 575bbb100..6807b7ee4 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -163,8 +163,7 @@ def unit_noextras(session):
     # so that it continues to be an optional dependency.
     # https://github.com/googleapis/python-bigquery/issues/1877
     if session.python == UNIT_TEST_PYTHON_VERSIONS[0]:
-        session.install("pyarrow==4.0.0")
-
+        session.install("pyarrow==4.0.0", "numpy==1.20.2")
     default(session, install_extras=False)
 
 
diff --git a/owlbot.py b/owlbot.py
index 60759adbe..80cf9d6e3 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -65,6 +65,7 @@
     templated_files,
     excludes=[
         "noxfile.py",
+        "renovate.json",
         "docs/multiprocessing.rst",
         "docs/index.rst",
         ".coveragerc",
@@ -76,7 +77,7 @@
         ".kokoro/continuous/prerelease-deps.cfg",
         ".kokoro/samples/python3.7/**",
         ".kokoro/samples/python3.8/**",
-        ".github/workflows",  # exclude gh actions as credentials are needed for tests
+        ".github/workflows/**",  # exclude gh actions as credentials are needed for tests
         "README.rst",
     ],
 )
diff --git a/renovate.json b/renovate.json
index c7875c469..3ea143d4c 100644
--- a/renovate.json
+++ b/renovate.json
@@ -5,8 +5,15 @@
     ":preserveSemverRanges",
     ":disableDependencyDashboard"
   ],
-  "ignorePaths": [".pre-commit-config.yaml", ".kokoro/requirements.txt", "setup.py", ".github/workflows/unittest.yml"],
+  "ignorePaths": [".pre-commit-config.yaml", ".kokoro/requirements.txt", "setup.py", ".github/workflows/unittest.yml", ".github/workflows/docs.yml"],
   "pip_requirements": {
     "fileMatch": ["requirements-test.txt", "samples/[\\S/]*constraints.txt", "samples/[\\S/]*constraints-test.txt"]
-  }
+  },
+  "packageRules": [
+    {
+      "matchFileNames": ["pyproject.toml"],
+      "matchStrings": ["matplotlib (.*); python_version == '3.9'"],
+      "allowedVersions": ">= 3.7.1, <= 3.9.2"
+    }
+  ]
 }
diff --git a/samples/client_query_shortmode.py b/samples/client_query_job_optional.py
similarity index 69%
rename from samples/client_query_shortmode.py
rename to samples/client_query_job_optional.py
index 50446dc48..6321aea35 100644
--- a/samples/client_query_shortmode.py
+++ b/samples/client_query_job_optional.py
@@ -13,16 +13,18 @@
 # limitations under the License.
 
 
-def client_query_shortmode() -> None:
-    # [START bigquery_query_shortquery]
-    # This example demonstrates issuing a query that may be run in short query mode.
-    #
-    # To enable the short query mode preview feature, the QUERY_PREVIEW_ENABLED
-    # environmental variable should be set to `TRUE`.
+def client_query_job_optional() -> None:
+    # [START bigquery_query_job_optional]
+    # This example demonstrates executing a query without requiring an associated
+    # job.
     from google.cloud import bigquery
+    from google.cloud.bigquery.enums import JobCreationMode
 
-    # Construct a BigQuery client object.
-    client = bigquery.Client()
+    # Construct a BigQuery client object, specifying that the library should
+    # avoid creating jobs when possible.
+    client = bigquery.Client(
+        default_job_creation_mode=JobCreationMode.JOB_CREATION_OPTIONAL
+    )
 
     query = """
         SELECT
@@ -44,10 +46,12 @@ def client_query_shortmode() -> None:
     if rows.job_id is not None:
         print("Query was run with job state.  Job ID: {}".format(rows.job_id))
     else:
-        print("Query was run in short mode.  Query ID: {}".format(rows.query_id))
+        print(
+            "Query was run without creating a job.  Query ID: {}".format(rows.query_id)
+        )
 
     print("The query data:")
     for row in rows:
         # Row values can be accessed by field name or index.
         print("name={}, gender={}, total={}".format(row[0], row[1], row["total"]))
-    # [END bigquery_query_shortquery]
+    # [END bigquery_query_job_optional]
diff --git a/samples/client_query_w_array_params.py b/samples/client_query_w_array_params.py
index 25592a94a..e9d759f61 100644
--- a/samples/client_query_w_array_params.py
+++ b/samples/client_query_w_array_params.py
@@ -35,8 +35,8 @@ def client_query_w_array_params() -> None:
             bigquery.ArrayQueryParameter("states", "STRING", ["WA", "WI", "WV", "WY"]),
         ]
     )
-    query_job = client.query(query, job_config=job_config)  # Make an API request.
+    rows = client.query_and_wait(query, job_config=job_config)  # Make an API request.
 
-    for row in query_job:
+    for row in rows:
         print("{}: \t{}".format(row.name, row.count))
     # [END bigquery_query_params_arrays]
diff --git a/samples/desktopapp/requirements-test.txt b/samples/desktopapp/requirements-test.txt
index 6abea3b4d..2ad35b418 100644
--- a/samples/desktopapp/requirements-test.txt
+++ b/samples/desktopapp/requirements-test.txt
@@ -1,4 +1,4 @@
-google-cloud-testutils==1.6.2
+google-cloud-testutils==1.6.4
 pytest==8.3.5
 mock==5.2.0
-pytest-xdist==3.6.1
+pytest-xdist==3.7.0
diff --git a/samples/desktopapp/requirements.txt b/samples/desktopapp/requirements.txt
index 743d0fe35..4a5b75346 100644
--- a/samples/desktopapp/requirements.txt
+++ b/samples/desktopapp/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-bigquery==3.32.0
+google-cloud-bigquery==3.33.0
 google-auth-oauthlib==1.2.2
diff --git a/samples/geography/requirements-test.txt b/samples/geography/requirements-test.txt
index 7b01ce8ac..3ca365401 100644
--- a/samples/geography/requirements-test.txt
+++ b/samples/geography/requirements-test.txt
@@ -1,3 +1,3 @@
 pytest==8.3.5
 mock==5.2.0
-pytest-xdist==3.6.1
+pytest-xdist==3.7.0
diff --git a/samples/geography/requirements.txt b/samples/geography/requirements.txt
index 434a594cb..7a0946fae 100644
--- a/samples/geography/requirements.txt
+++ b/samples/geography/requirements.txt
@@ -3,7 +3,7 @@ certifi==2025.4.26
 cffi==1.17.1
 charset-normalizer==3.4.2
 click===8.1.8; python_version == '3.9'
-click==8.2.0; python_version >= '3.10'
+click==8.2.1; python_version >= '3.10'
 click-plugins==1.1.1
 cligj==0.7.2
 db-dtypes==1.4.3
@@ -11,8 +11,8 @@ Fiona==1.10.1
 geojson==3.2.0
 geopandas==1.0.1
 google-api-core==2.24.2
-google-auth==2.40.1
-google-cloud-bigquery==3.32.0
+google-auth==2.40.2
+google-cloud-bigquery==3.33.0
 google-cloud-bigquery-storage==2.31.0
 google-cloud-core==2.4.3
 google-crc32c==1.7.1
@@ -36,7 +36,7 @@ PyYAML==6.0.2
 requests==2.32.3
 rsa==4.9.1
 Shapely===2.0.7; python_version == '3.9'
-Shapely==2.1.0; python_version >= '3.10'
+Shapely==2.1.1; python_version >= '3.10'
 six==1.17.0
 typing-extensions==4.13.2
 typing-inspect==0.9.0
diff --git a/samples/magics/requirements-test.txt b/samples/magics/requirements-test.txt
index 6abea3b4d..2ad35b418 100644
--- a/samples/magics/requirements-test.txt
+++ b/samples/magics/requirements-test.txt
@@ -1,4 +1,4 @@
-google-cloud-testutils==1.6.2
+google-cloud-testutils==1.6.4
 pytest==8.3.5
 mock==5.2.0
-pytest-xdist==3.6.1
+pytest-xdist==3.7.0
diff --git a/samples/magics/requirements.txt b/samples/magics/requirements.txt
index bb60f2a67..7d0c91e3d 100644
--- a/samples/magics/requirements.txt
+++ b/samples/magics/requirements.txt
@@ -1,6 +1,6 @@
-bigquery_magics==0.9.0
+bigquery_magics==0.10.0
 db-dtypes==1.4.3
-google.cloud.bigquery==3.32.0
+google.cloud.bigquery==3.33.0
 google-cloud-bigquery-storage==2.31.0
 ipython===8.18.1
 pandas==2.2.3
diff --git a/samples/notebooks/requirements-test.txt b/samples/notebooks/requirements-test.txt
index 6abea3b4d..2ad35b418 100644
--- a/samples/notebooks/requirements-test.txt
+++ b/samples/notebooks/requirements-test.txt
@@ -1,4 +1,4 @@
-google-cloud-testutils==1.6.2
+google-cloud-testutils==1.6.4
 pytest==8.3.5
 mock==5.2.0
-pytest-xdist==3.6.1
+pytest-xdist==3.7.0
diff --git a/samples/notebooks/requirements.txt b/samples/notebooks/requirements.txt
index 17f43bf78..9f131e5b8 100644
--- a/samples/notebooks/requirements.txt
+++ b/samples/notebooks/requirements.txt
@@ -1,6 +1,6 @@
-bigquery-magics==0.9.0
+bigquery-magics==0.10.0
 db-dtypes==1.4.3
-google-cloud-bigquery==3.32.0
+google-cloud-bigquery==3.33.0
 google-cloud-bigquery-storage==2.31.0
 ipython===8.18.1; python_version == '3.9'
 ipython==9.2.0; python_version >= '3.10'
diff --git a/samples/snippets/requirements-test.txt b/samples/snippets/requirements-test.txt
index 6760e1228..767f71fb1 100644
--- a/samples/snippets/requirements-test.txt
+++ b/samples/snippets/requirements-test.txt
@@ -1,5 +1,5 @@
 # samples/snippets should be runnable with no "extras"
-google-cloud-testutils==1.6.2
+google-cloud-testutils==1.6.4
 pytest==8.3.5
 mock==5.2.0
-pytest-xdist==3.6.1
+pytest-xdist==3.7.0
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index c31815d69..dae43eff3 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
 # samples/snippets should be runnable with no "extras"
-google-cloud-bigquery==3.32.0
+google-cloud-bigquery==3.33.0
diff --git a/samples/tests/test_client_query_shortmode.py b/samples/tests/test_client_query_job_optional.py
similarity index 85%
rename from samples/tests/test_client_query_shortmode.py
rename to samples/tests/test_client_query_job_optional.py
index 41132f24c..0e0b2cf19 100644
--- a/samples/tests/test_client_query_shortmode.py
+++ b/samples/tests/test_client_query_job_optional.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2025 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
 
 import typing
 
-from .. import client_query_shortmode
+from .. import client_query_job_optional
 
 if typing.TYPE_CHECKING:
     import pytest
 
 
 def test_client_query_shortmode(capsys: "pytest.CaptureFixture[str]") -> None:
-    client_query_shortmode.client_query_shortmode()
+    client_query_job_optional.client_query_job_optional()
     out, err = capsys.readouterr()
     assert "Query was run" in out
diff --git a/testing/constraints-3.9.txt b/testing/constraints-3.9.txt
index 60a155f0d..f61c0cf09 100644
--- a/testing/constraints-3.9.txt
+++ b/testing/constraints-3.9.txt
@@ -20,6 +20,7 @@ ipykernel==6.2.0
 opentelemetry-api==1.1.0
 opentelemetry-instrumentation==0.20b0
 opentelemetry-sdk==1.1.0
+numpy==1.20.2
 packaging==24.2.0
 pandas==1.3.0
 pandas-gbq==0.26.1
diff --git a/tests/unit/test__job_helpers.py b/tests/unit/test__job_helpers.py
index 4fa093c69..417f911b8 100644
--- a/tests/unit/test__job_helpers.py
+++ b/tests/unit/test__job_helpers.py
@@ -554,13 +554,9 @@ def test_query_and_wait_retries_job_times_out():
     )
 
 
-def test_query_and_wait_sets_job_creation_mode(monkeypatch: pytest.MonkeyPatch):
-    monkeypatch.setenv(
-        "QUERY_PREVIEW_ENABLED",
-        # The comparison should be case insensitive.
-        "TrUe",
-    )
+def test_query_and_wait_sets_job_creation_mode():
     client = mock.create_autospec(Client)
+    client.default_job_creation_mode = "JOB_CREATION_OPTIONAL"
     client._call_api.return_value = {
         "jobReference": {
             "projectId": "response-project",
@@ -642,6 +638,7 @@ def test_query_and_wait_sets_location():
                 "useInt64Timestamp": True,
             },
             "requestId": mock.ANY,
+            "jobCreationMode": mock.ANY,
         },
         timeout=None,
     )
@@ -658,6 +655,7 @@ def test_query_and_wait_sets_location():
 )
 def test_query_and_wait_sets_max_results(max_results, page_size, expected):
     client = mock.create_autospec(Client)
+    client.default_job_creation_mode = None
     client._call_api.return_value = {
         "jobReference": {
             "projectId": "response-project",
@@ -703,6 +701,7 @@ def test_query_and_wait_sets_max_results(max_results, page_size, expected):
 
 def test_query_and_wait_caches_completed_query_results_one_page():
     client = mock.create_autospec(Client)
+    client.default_job_creation_mode = None
     client._call_api.return_value = {
         "jobReference": {
             "projectId": "response-project",
@@ -768,6 +767,7 @@ def test_query_and_wait_caches_completed_query_results_one_page():
 
 def test_query_and_wait_caches_completed_query_results_one_page_no_rows():
     client = mock.create_autospec(Client)
+    client.default_job_creation_mode = None
     client._call_api.return_value = {
         "jobReference": {
             "projectId": "response-project",
diff --git a/tests/unit/test__pandas_helpers.py b/tests/unit/test__pandas_helpers.py
index d87c65581..bc94f5f54 100644
--- a/tests/unit/test__pandas_helpers.py
+++ b/tests/unit/test__pandas_helpers.py
@@ -1856,6 +1856,7 @@ def test__download_table_bqstorage_shuts_down_workers(
     Make sure that when the top-level iterator goes out of scope (is deleted),
     the child threads are also stopped.
     """
+    pytest.importorskip("google.cloud.bigquery_storage_v1")
     from google.cloud.bigquery import dataset
     from google.cloud.bigquery import table
     import google.cloud.bigquery_storage_v1.reader
diff --git a/tests/unit/test__pyarrow_helpers.py b/tests/unit/test__pyarrow_helpers.py
index 06fc2eb85..c12a526de 100644
--- a/tests/unit/test__pyarrow_helpers.py
+++ b/tests/unit/test__pyarrow_helpers.py
@@ -14,7 +14,7 @@
 
 import pytest
 
-
+numpy = pytest.importorskip("numpy")
 pyarrow = pytest.importorskip("pyarrow", minversion="3.0.0")
 
 
diff --git a/tests/unit/test_client.py b/tests/unit/test_client.py
index 468068321..8ce8d2cbd 100644
--- a/tests/unit/test_client.py
+++ b/tests/unit/test_client.py
@@ -213,6 +213,17 @@ def test_ctor_w_client_options_universe(self):
         )
         self.assertEqual(client._connection.API_BASE_URL, "https://bigquery.foo.com")
 
+    def test_ctor_w_job_creation_mode(self):
+        creds = _make_credentials()
+        http = object()
+        client = self._make_one(
+            project=self.PROJECT,
+            credentials=creds,
+            _http=http,
+            default_job_creation_mode="foo",
+        )
+        self.assertEqual(client.default_job_creation_mode, "foo")
+
     def test_ctor_w_location(self):
         from google.cloud.bigquery._http import Connection
 
diff --git a/tests/unit/test_dbapi__helpers.py b/tests/unit/test_dbapi__helpers.py
index 7e1da0034..9907df97b 100644
--- a/tests/unit/test_dbapi__helpers.py
+++ b/tests/unit/test_dbapi__helpers.py
@@ -210,6 +210,7 @@ def test_empty_iterable(self):
         self.assertEqual(list(result), [])
 
     def test_non_empty_iterable(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pyarrow")
         from tests.unit.helpers import _to_pyarrow
 
diff --git a/tests/unit/test_magics.py b/tests/unit/test_magics.py
index a9a12283b..814150693 100644
--- a/tests/unit/test_magics.py
+++ b/tests/unit/test_magics.py
@@ -1276,6 +1276,11 @@ def test_bigquery_magic_with_no_query_cache(monkeypatch):
     bigquery.load_ipython_extension(ip)
     conn = make_connection()
     monkeypatch.setattr(magics.context, "_connection", conn)
+    monkeypatch.setattr(
+        magics.context,
+        "credentials",
+        mock.create_autospec(google.auth.credentials.Credentials, instance=True),
+    )
     monkeypatch.setattr(magics.context, "project", "project-from-context")
 
     # --no_query_cache option should override context.
diff --git a/tests/unit/test_table.py b/tests/unit/test_table.py
index 4791c6511..eb2c8d9ec 100644
--- a/tests/unit/test_table.py
+++ b/tests/unit/test_table.py
@@ -2416,6 +2416,7 @@ def test_to_arrow_error_if_pyarrow_is_none(self):
             row_iterator.to_arrow()
 
     def test_to_arrow(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip("pyarrow")
         row_iterator = self._make_one()
         tbl = row_iterator.to_arrow()
@@ -2423,6 +2424,7 @@ def test_to_arrow(self):
         self.assertEqual(tbl.num_rows, 0)
 
     def test_to_arrow_iterable(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3089,6 +3091,7 @@ def test_to_arrow_iterable_w_bqstorage(self):
         bqstorage_client._transport.grpc_channel.close.assert_not_called()
 
     def test_to_arrow(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3173,6 +3176,7 @@ def test_to_arrow(self):
         )
 
     def test_to_arrow_w_nulls(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3209,6 +3213,7 @@ def test_to_arrow_w_nulls(self):
         self.assertEqual(ages, [32, 29, None, 111])
 
     def test_to_arrow_w_unknown_type(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3254,6 +3259,7 @@ def test_to_arrow_w_unknown_type(self):
         self.assertTrue(all("sport" in str(warning) for warning in warned))
 
     def test_to_arrow_w_empty_table(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3295,6 +3301,7 @@ def test_to_arrow_w_empty_table(self):
         self.assertEqual(child_field.type.value_type[1].name, "age")
 
     def test_to_arrow_max_results_w_explicit_bqstorage_client_warning(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery.schema import SchemaField
@@ -3337,6 +3344,7 @@ def test_to_arrow_max_results_w_explicit_bqstorage_client_warning(self):
         mock_client._ensure_bqstorage_client.assert_not_called()
 
     def test_to_arrow_max_results_w_create_bqstorage_client_no_warning(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery.schema import SchemaField
@@ -3375,6 +3383,7 @@ def test_to_arrow_max_results_w_create_bqstorage_client_no_warning(self):
         mock_client._ensure_bqstorage_client.assert_not_called()
 
     def test_to_arrow_w_bqstorage(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -3458,6 +3467,7 @@ def test_to_arrow_w_bqstorage(self):
         bqstorage_client._transport.grpc_channel.close.assert_not_called()
 
     def test_to_arrow_w_bqstorage_creates_client(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -3491,6 +3501,7 @@ def test_to_arrow_w_bqstorage_creates_client(self):
         bqstorage_client._transport.grpc_channel.close.assert_called_once()
 
     def test_to_arrow_ensure_bqstorage_client_wo_bqstorage(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip(
             "pyarrow", minversion=self.PYARROW_MINIMUM_VERSION
         )
@@ -3524,6 +3535,7 @@ def mock_verify_version(raise_if_error: bool = False):
         self.assertEqual(tbl.num_rows, 2)
 
     def test_to_arrow_w_bqstorage_no_streams(self):
+        pytest.importorskip("numpy")
         pyarrow = pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -3563,6 +3575,7 @@ def test_to_arrow_w_bqstorage_no_streams(self):
         self.assertEqual(actual_table.schema[2].name, "colB")
 
     def test_to_arrow_progress_bar(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pyarrow")
         pytest.importorskip("tqdm")
         pytest.importorskip("tqdm.notebook")
@@ -3696,6 +3709,7 @@ def test_to_dataframe_iterable_with_dtypes(self):
         self.assertEqual(df_2["age"][0], 33)
 
     def test_to_dataframe_iterable_w_bqstorage(self):
+        pytest.importorskip("numpy")
         pandas = pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
         pytest.importorskip("google.cloud.bigquery_storage")
@@ -3770,6 +3784,7 @@ def test_to_dataframe_iterable_w_bqstorage(self):
         bqstorage_client._transport.grpc_channel.close.assert_not_called()
 
     def test_to_dataframe_iterable_w_bqstorage_max_results_warning(self):
+        pytest.importorskip("numpy")
         pandas = pytest.importorskip("pandas")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -4513,7 +4528,7 @@ def test_to_dataframe_w_none_dtypes_mapper(self):
 
     def test_to_dataframe_w_unsupported_dtypes_mapper(self):
         pytest.importorskip("pandas")
-        import numpy
+        numpy = pytest.importorskip("numpy")
         from google.cloud.bigquery.schema import SchemaField
 
         schema = [
@@ -4797,6 +4812,7 @@ def test_to_dataframe_max_results_w_create_bqstorage_client_no_warning(self):
         mock_client._ensure_bqstorage_client.assert_not_called()
 
     def test_to_dataframe_w_bqstorage_creates_client(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pandas")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -4830,6 +4846,7 @@ def test_to_dataframe_w_bqstorage_creates_client(self):
         bqstorage_client._transport.grpc_channel.close.assert_called_once()
 
     def test_to_dataframe_w_bqstorage_no_streams(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("pandas")
         pytest.importorskip("google.cloud.bigquery_storage")
         from google.cloud.bigquery import schema
@@ -4858,6 +4875,7 @@ def test_to_dataframe_w_bqstorage_no_streams(self):
         self.assertTrue(got.empty)
 
     def test_to_dataframe_w_bqstorage_logs_session(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pytest.importorskip("pyarrow")
@@ -4882,6 +4900,7 @@ def test_to_dataframe_w_bqstorage_logs_session(self):
         )
 
     def test_to_dataframe_w_bqstorage_empty_streams(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -4936,6 +4955,7 @@ def test_to_dataframe_w_bqstorage_empty_streams(self):
         self.assertTrue(got.empty)
 
     def test_to_dataframe_w_bqstorage_nonempty(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -5018,6 +5038,7 @@ def test_to_dataframe_w_bqstorage_nonempty(self):
         bqstorage_client._transport.grpc_channel.close.assert_not_called()
 
     def test_to_dataframe_w_bqstorage_multiple_streams_return_unique_index(self):
+        pytest.importorskip("numpy")
         bigquery_storage = pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -5070,6 +5091,7 @@ def test_to_dataframe_w_bqstorage_multiple_streams_return_unique_index(self):
         self.assertTrue(got.index.is_unique)
 
     def test_to_dataframe_w_bqstorage_updates_progress_bar(self):
+        pytest.importorskip("numpy")
         bigquery_storage = pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -5147,6 +5169,7 @@ def blocking_to_arrow(*args, **kwargs):
             tqdm_mock().close.assert_called_once()
 
     def test_to_dataframe_w_bqstorage_exits_on_keyboardinterrupt(self):
+        pytest.importorskip("numpy")
         bigquery_storage = pytest.importorskip("google.cloud.bigquery_storage")
         pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -5322,6 +5345,7 @@ def test_to_dataframe_w_bqstorage_snapshot(self):
             row_iterator.to_dataframe(bqstorage_client)
 
     def test_to_dataframe_concat_categorical_dtype_w_pyarrow(self):
+        pytest.importorskip("numpy")
         pytest.importorskip("google.cloud.bigquery_storage")
         pandas = pytest.importorskip("pandas")
         pyarrow = pytest.importorskip("pyarrow")
@@ -5604,7 +5628,7 @@ def test_rowiterator_to_geodataframe_delegation(self, to_dataframe):
         """
         pandas = pytest.importorskip("pandas")
         geopandas = pytest.importorskip("geopandas")
-        import numpy
+        numpy = pytest.importorskip("numpy")
         from shapely import wkt
 
         row_iterator = self._make_one_from_data(
diff --git a/tests/unit/test_table_arrow.py b/tests/unit/test_table_arrow.py
index 830c4ceb7..fdd1b7b78 100644
--- a/tests/unit/test_table_arrow.py
+++ b/tests/unit/test_table_arrow.py
@@ -18,7 +18,8 @@
 import google.cloud.bigquery.table
 
 
-pyarrow = pytest.importorskip("pyarrow", minversion="3.0.0")
+pytest.importorskip("numpy")
+pytest.importorskip("pyarrow", minversion="3.0.0")
 
 
 def test_to_arrow_with_jobs_query_response():