func (f *FakeClient) GetRef(owner, repo, ref string) (string, error) {
	return TestRef, nil
}
func (f *FakeClient) GetRef(owner, repo, ref string) (string, error) {
	return TestRef, nil
}
func ( f * FakeClient ) GetRef ( owner , repo , ref string ) ( string , error ) { return TestRef , nil }
// GetRef returns the hash of a ref.
GetRef returns the hash of a ref .