fix(cmd): allow any kind of status message

I see no need in verifying the status code.
It's enough to just get the error.

Author: Byron

git/test/test_git.py

@@ -210,7 +210,6 @@ def test_environment(self, rw_dir):
                         assert err.status == 128
                     else:
                         assert 'FOO' in str(err)
-                        assert err.status == 2
                 # end
             # end
         # end if select.poll exists