def METHOD_NAME(self):
    env("create", "test")
    with ev.read("test") as e:
        # develop checks that the path exists
        fs.mkdirp(os.path.join(e.path, "mpich"))
        develop("--no-clone", "mpich@1.0")
        self.check_develop(e, spack.spec.Spec("mpich@=1.0"))