Fixed Issue #423: the test checks that an extension from non-platform libraries is not more or less specific than one from another non-platform library.
diff --git a/LanguageFeatures/Extension-methods/extension_conflict_resolution_t03.dart b/LanguageFeatures/Extension-methods/extension_conflict_resolution_t03.dart
index 18f2ab1..bcc7187 100644
--- a/LanguageFeatures/Extension-methods/extension_conflict_resolution_t03.dart
+++ b/LanguageFeatures/Extension-methods/extension_conflict_resolution_t03.dart
@@ -22,21 +22,18 @@
  *   4. not vice versa, or
  *   5. the instantiate-to-bounds type of [T1] is a subtype of the
  *      instantiate-to-bounds type of [T2] and not vice versa.
- * @description Check that extension from the library is less specific than one
- * which is not.
+ * @description Check that an extension from non-platform library is not more or
+ * less specific than one from another non-platform library.
+ * @compile-error
  * @author iarkh@unipro.ru
  */
 // SharedOptions=--enable-experiment=extension-methods
 
-import "extension_conflict_resolution_lib.dart";
-import "../../Utils/expect.dart";
-
 extension MyIntList1<T extends int> on List<T> {
   bool get isIntLibraryVersion => false;
 }
 
 main() {
   List<int> aList = [0];
-  Expect.isFalse(aList.isIntLibraryVersion);
-  Expect.isTrue(aList.isNumLibraryVersion);
+  bool res = aList.isIntLibraryVersion;
 }