}
	keyring.Lookup("foo")
	if provider.Count != 3 {
		t.Errorf("Unexpected number of Provide calls: %v", provider.Count)
	}
}

func TestDockerKeyringLookup(t *testing.T) {
	ada := AuthConfig{
		Username: "ada",
		Password: "smash", // Fake value for testing.
		Email:    "******@****.***",
	}

	grace := AuthConfig{
		Username: "grace",