Fixed #28520 -- Added --start-at/--start-after options to runtests.py.

1 files changed, 18 insertions, 0 deletions

diff --git a/docs/internals/contributing/writing-code/unit-tests.txt b/docs/internals/contributing/writing-code/unit-tests.txt
index 6d9074f2d1..febfa3546e 100644
--- a/docs/internals/contributing/writing-code/unit-tests.txt
+++ b/docs/internals/contributing/writing-code/unit-tests.txt
@@ -213,6 +213,24 @@ Going beyond that, you can specify an individual test method like this:
 
    $ ./runtests.py --settings=path.to.settings i18n.tests.TranslationTests.test_lazy_objects
 
+You can run tests starting at a specified top-level module with ``--start-at``
+option. For example:
+
+.. console::
+
+   $ ./runtests.py --start-at=wsgi
+
+You can also run tests starting after a specified top-level module with
+``--start-after`` option. For example:
+
+.. console::
+
+   $ ./runtests.py --start-after=wsgi
+
+Note that the ``--reverse`` option doesn't impact on ``--start-at`` or
+``--start-after`` options. Moreover these options cannot be used with test
+labels.
+
 Running the Selenium tests
 --------------------------