diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py
index 7214a377067..0ae48600529 100644
--- a/Lib/test/test_memoryio.py
+++ b/Lib/test/test_memoryio.py
@@ -1026,10 +1026,6 @@ def test_relative_seek(self):
     def test_flags(self):
         return super().test_flags()
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: 'StringIO' object has no attribute 'detach'
-    def test_detach(self):
-        return super().test_detach()
-
     @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: 'StringIO' object has no attribute 'newlines'. Did you mean: 'readlines'?
     def test_newlines_property(self):
         return super().test_newlines_property()
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index 01da70b4c68..63bc0803e79 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -45,7 +45,6 @@ def clear_typing_caches():
 
 class TypesTests(unittest.TestCase):
 
-    @unittest.skipUnless(c_types, "TODO: RUSTPYTHON; requires _types module")
     def test_names(self):
         c_only_names = {'CapsuleType'}
         ignored = {'new_class', 'resolve_bases', 'prepare_class',
@@ -636,7 +635,7 @@ def test_slot_wrapper_types(self):
         self.assertIsInstance(object.__lt__, types.WrapperDescriptorType)
         self.assertIsInstance(int.__lt__, types.WrapperDescriptorType)
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; No signature found in builtin method __get__ of 'method_descriptor' objects.
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; ValueError: no signature found for builtin <method-wrapper '__get__' of wrapper_descriptor object
     @unittest.skipIf(MISSING_C_DOCSTRINGS,
                      "Signature information for builtins requires docstrings")
     def test_dunder_get_signature(self):
@@ -661,7 +660,7 @@ def test_method_descriptor_types(self):
         self.assertIsInstance(int.from_bytes, types.BuiltinMethodType)
         self.assertIsInstance(int.__new__, types.BuiltinMethodType)
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; ModuleNotFoundError: No module named '_queue'
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; TypeError: descriptor 'read' needs a type, not 'StringIO', as arg 2
     def test_method_descriptor_crash(self):
         # gh-132747: The default __get__() implementation in C was unable
         # to handle a second argument of None when called from Python
diff --git a/crates/vm/src/stdlib/_io.rs b/crates/vm/src/stdlib/_io.rs
index 423d5bc676f..dd01c46fda5 100644
--- a/crates/vm/src/stdlib/_io.rs
+++ b/crates/vm/src/stdlib/_io.rs
@@ -789,11 +789,41 @@ mod _io {
 
     #[pyclass(flags(BASETYPE, HAS_WEAKREF))]
     impl _TextIOBase {
+        #[pymethod]
+        fn read(zelf: PyObjectRef, _size: OptionalArg, vm: &VirtualMachine) -> PyResult {
+            _unsupported(vm, &zelf, "read")
+        }
+
+        #[pymethod]
+        fn write(zelf: PyObjectRef, _b: PyObjectRef, vm: &VirtualMachine) -> PyResult {
+            _unsupported(vm, &zelf, "write")
+        }
+
+        #[pymethod]
+        fn truncate(zelf: PyObjectRef, _pos: OptionalArg, vm: &VirtualMachine) -> PyResult {
+            _unsupported(vm, &zelf, "truncate")
+        }
+
+        #[pymethod]
+        fn readline(zelf: PyObjectRef, vm: &VirtualMachine) -> PyResult {
+            _unsupported(vm, &zelf, "readline")
+        }
+
+        #[pymethod]
+        fn detach(zelf: PyObjectRef, vm: &VirtualMachine) -> PyResult {
+            _unsupported(vm, &zelf, "detach")
+        }
+
         #[pygetset]
         fn encoding(_zelf: PyObjectRef, vm: &VirtualMachine) -> PyObjectRef {
             vm.ctx.none()
         }
 
+        #[pygetset]
+        fn newlines(_zelf: PyObjectRef, vm: &VirtualMachine) -> PyObjectRef {
+            vm.ctx.none()
+        }
+
         #[pygetset]
         fn errors(_zelf: PyObjectRef, vm: &VirtualMachine) -> PyObjectRef {
             vm.ctx.none()