def METHOD_NAME(self) -> None:
    with temporary_root() as root:
        self.invoke_in_root(
            root,
            [
                "config",
                "save",
                "--append=OPENEDX_EXTRA_PIP_REQUIREMENTS=my-package==1.0.0",
            ],
            catch_exceptions=False,
        )
        config = tutor_config.load(root)
    assert isinstance(config["OPENEDX_EXTRA_PIP_REQUIREMENTS"], list)
    self.assertEqual(2, len(config["OPENEDX_EXTRA_PIP_REQUIREMENTS"]))
    self.assertEqual(
        "my-package==1.0.0", config["OPENEDX_EXTRA_PIP_REQUIREMENTS"][1]
    )