case authenticationv1.SchemeGroupVersion.WithKind("UserExtra").GroupKind():
				extraKey := impersonationRequest.FieldPath
				extraValue := impersonationRequest.Name
				actingAsAttributes.Resource = "userextras"
				actingAsAttributes.Subresource = extraKey
				userExtra[extraKey] = append(userExtra[extraKey], extraValue)

			case authenticationv1.SchemeGroupVersion.WithKind("UID").GroupKind():

				Name:   "system:admin",
				Groups: []string{"some-group", "system:authenticated"},
				Extra:  map[string][]string{},
			},
			expectedCode: http.StatusOK,
		},
		{
			name: "disallowed-userextra-1",
			user: &user.DefaultInfo{
				Name:   "dev",
				Groups: []string{"wheel"},
			},
			impersonationUser:       "system:admin",
			impersonationGroups:     []string{"some-group"},