def test_set_default_environment(self):
     data = CommandData("", env=None)
     data.set_default_environment({"a": "b"})
     self.assertEqual(data.env, {"a": "b"})
 def test_set_default_environment_noop(self):
     data = CommandData("", env={"foo": "bar"})
     data.set_default_environment({"a": "b"})
     self.assertEqual(data.env, {"foo": "bar"})