make utils tests less verbose

Given the big number of tests, printing a dot for each test (instead of
multiple lines) is enough ;-)

utils/test/test-parser-simple-tests.py

@@ -515,4 +515,4 @@ find_and_setup_test_profiles('../../parser/tst/simple_tests/')
 
 setup_all_loops(__name__)
 if __name__ == '__main__':
-    unittest.main(verbosity=1)  # reduced verbosity due to the big number of tests
+    unittest.main(verbosity=1)