Fixed #34210 -- Added unittest's durations option to the test runner.

docs/ref/django-admin.txt

@@ -1559,6 +1559,16 @@ tests, which allows it to print a traceback if the interpreter crashes. Pass
 
 Outputs timings, including database setup and total run time.
 
+.. django-admin-option:: --durations N
+
+.. versionadded:: 5.0
+
+Shows the N slowest test cases (N=0 for all).
+
+.. admonition:: Python 3.12 and later
+
+    This feature is only available for Python 3.12 and later.
+
 ``testserver``
 --------------
 

docs/releases/5.0.txt

@@ -476,6 +476,9 @@ Tests
 
 * :class:`~django.test.AsyncClient` now supports the ``follow`` parameter.
 
+* The new :option:`test --durations` option allows showing the duration of the
+  slowest tests on Python 3.12+.
+
 URLs
 ~~~~
 

docs/topics/testing/advanced.txt

@@ -533,7 +533,7 @@ behavior. This class defines the ``run_tests()`` entry point, plus a
 selection of other methods that are used by ``run_tests()`` to set up, execute
 and tear down the test suite.
 
-.. class:: DiscoverRunner(pattern='test*.py', top_level=None, verbosity=1, interactive=True, failfast=False, keepdb=False, reverse=False, debug_mode=False, debug_sql=False, parallel=0, tags=None, exclude_tags=None, test_name_patterns=None, pdb=False, buffer=False, enable_faulthandler=True, timing=True, shuffle=False, logger=None, **kwargs)
+.. class:: DiscoverRunner(pattern='test*.py', top_level=None, verbosity=1, interactive=True, failfast=False, keepdb=False, reverse=False, debug_mode=False, debug_sql=False, parallel=0, tags=None, exclude_tags=None, test_name_patterns=None, pdb=False, buffer=False, enable_faulthandler=True, timing=True, shuffle=False, logger=None, durations=None, **kwargs)
 
     ``DiscoverRunner`` will search for tests in any file matching ``pattern``.
 
@@ -613,6 +613,10 @@ and tear down the test suite.
     the console. The logger object will respect its logging level rather than
     the ``verbosity``.
 
+    ``durations`` will show a list of the N slowest test cases. Setting this
+    option to ``0`` will result in the duration for all tests being shown.
+    Requires Python 3.12+.
+
     Django may, from time to time, extend the capabilities of the test runner
     by adding new arguments. The ``**kwargs`` declaration allows for this
     expansion. If you subclass ``DiscoverRunner`` or write your own test
@@ -623,6 +627,10 @@ and tear down the test suite.
     custom arguments by calling ``parser.add_argument()`` inside the method, so
     that the :djadmin:`test` command will be able to use those arguments.
 
+    .. versionadded:: 5.0
+
+        The ``durations`` argument was added.
+
 Attributes
 ~~~~~~~~~~