Tests: Redirect warnings to be handled by test runner.

manage.py

@@ -12,6 +12,10 @@ if __name__ == "__main__":
     # Django asks us if we want to delete the database.
     # We do.
     if 'test' in sys.argv[0:3]:
+        # Catch warnings in tests and redirect them to be handled by the test runner. Otherwise build results are too
+        # noisy to be of much use.
+        import logging
+        logging.captureWarnings(True)
         sys.argv.append('--noinput')
 
     from django.core.management import execute_from_command_line