Updating TC_MOD_1_2 test module:

- Re-input missing test step numbers

Author: j-ororke

src/python_testing/TC_MOD_1_2.py

@@ -98,6 +98,5 @@ async def test_TC_MOD_1_2(self):
         if not isinstance(standard_namespace, (uint, int)):
             raise ValueError("Standard Namespace value: must be of type uint or an int")
 
-
 if __name__ == "__main__":
     default_matter_test_main()