[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

testing/plugins_integration/pytest_rerunfailures_integration.py

@@ -5,7 +5,7 @@ class MyTestCase(unittest.TestCase):
     first_time = True
 
     def test_fail_the_first_time(self) -> None:
-        "Regression test for issue #12424."
+        """Regression test for issue #12424."""
         if self.first_time:
             type(self).first_time = False
             self.fail()