}
			if jwtFile != wantToken {
				t.Errorf("%s, %s has token %s, want %s", id, jwtPath, jwtFile, wantToken)
			}
		}
	}
}

func TestGCEPlugin(t *testing.T) {
	testCases := map[string]struct {
		jwt           string
		jwtPath       string
		expectedToken string
		expectedCall  int
		expectedErr   error
	}{
		"get VM credential": {