style(tests): fix long lines for Ruff E501 compliance in test_pickle_core.py

Author: shaypal5

tests/test_pickle_core.py

@@ -656,8 +656,8 @@ def call():
     # If no error, print a warning (system limit may be high in CI)
     if not errors:
         pytest.skip(
-            "Did not hit inotify instance limit; consider lowering the system limit for CI. "
-            "Test is informative and may not always fail."
+            "Did not hit inotify instance limit; consider lowering the system limit "
+            "for CI. Test is informative and may not always fail."
         )
     else:
         # If other OSErrors, fail