ConnectionInfo: api.WebhookConnectionInfo{
								Type: "ExternalClusterConfig",
							},
						},
					},
				},
			},
			expectedErrList: field.ErrorList{
				field.NotSupported(field.NewPath("connectionInfo"), api.WebhookConnectionInfo{Type: "ExternalClusterConfig"}, []string{"InClusterConfig", "KubeConfigFile"}),
			},