def METHOD_NAME(self, tmpdir):
    with open(str(tmpdir.join("manifest.json")), "w") as fp:
        fp.write("{}")
    manifest = static.ImmutableManifestFiles()
    manifest.add_manifest(str(tmpdir.join("manifest.json")), "/static/")
    assert not manifest("/foo/static/bar.css", "/static/bar.css")