builtInDockerConfig credentialprovider.DockerConfig
		expectedAuth        *runtimeapi.AuthConfig
	}{
		"no matching secrets": {
			"ubuntu",
			[]v1.Secret{},
			credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{}),
			nil,
		},
		"default keyring secrets": {
			"ubuntu",
			[]v1.Secret{},
			credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{