Converted Observatory class-view element

runtime/observatory/tests/observatory_ui/mocks/objects/error.dart

Index: runtime/observatory/tests/observatory_ui/mocks/objects/error.dart
diff --git a/runtime/observatory/tests/observatory_ui/mocks/objects/error.dart b/runtime/observatory/tests/observatory_ui/mocks/objects/error.dart
index f3a47986ec691af506d27ef2760524989bf0607b..162d39ad7f2ce304853686cb278104128b37a28c 100644
--- a/runtime/observatory/tests/observatory_ui/mocks/objects/error.dart
+++ b/runtime/observatory/tests/observatory_ui/mocks/objects/error.dart
@@ -17,11 +17,13 @@ class ErrorRefMock implements M.ErrorRef {
 class ErrorMock implements M.Error {
   final String id;
   final M.ClassRef clazz;
+  final String vmName;
   final int size;
   final M.ErrorKind kind;
   final String message;
 
-  const ErrorMock({this.id: 'error-id', this.clazz: const ClassMock(),
-                   this.size: 0, this.kind: M.ErrorKind.internalError,
+  const ErrorMock({this.id: 'error-id', this.vmName: 'error-vmName',
+                   this.clazz: const ClassMock(), this.size: 0,
+                   this.kind: M.ErrorKind.internalError,
                    this.message: 'Error Message'});
 }