Update doc/index.rst unit test reference

bnavigator · web-flow · commit f3e503591367 · 2020-08-18T20:49:45.000+02:00
Sync doc dir test reference from #436. Same wording as in toplevel README.rst
diff --git a/doc/index.rst b/doc/index.rst
@@ -38,10 +38,16 @@ You can check out the latest version of the source code with the command::
 
   git clone https://github.com/python-control/python-control.git
 
-You can run a set of unit tests to make sure that everything is working
-correctly.  After installation, run::
+You can run the unit tests with `pytest`_ to make sure that everything is
+working correctly.  Inside the source directory, run::
 
-  python setup.py test
+  pytest -v
+
+or to test the installed package::
+
+  pytest --pyargs control -v
+
+.. _pytest: https://docs.pytest.org/
 
 Your contributions are welcome!  Simply fork the `GitHub repository <https://github.com/python-control/python-control>`_ and send a
 `pull request`_.
