PytestDeprecationWarning no longer a hard error

src/_pytest/warnings.py

@@ -104,8 +104,6 @@ def catch_warnings_for_item(
             warnings.filterwarnings("always", category=DeprecationWarning)
             warnings.filterwarnings("always", category=PendingDeprecationWarning)
 
-        warnings.filterwarnings("error", category=pytest.PytestDeprecationWarning)
-
         # Filters should have this precedence: mark, cmdline options, ini.
         # Filters should be applied in the inverse order of precedence.
         for arg in inifilters:

testing/test_warnings.py

@@ -513,6 +513,9 @@ class TestDeprecationWarningsByDefault:
 
 
 @pytest.mark.parametrize("change_default", [None, "ini", "cmdline"])
+@pytest.mark.skip(
+    reason="This test should be enabled again before pytest 7.0 is released"
+)
 def test_deprecation_warning_as_error(testdir, change_default):
     """This ensures that PytestDeprecationWarnings raised by pytest are turned into errors.