Fix code for @failingTest refactoring tests.

pkg/analysis_server/test/services/correction/assist_test.dart

Index: pkg/analysis_server/test/services/correction/assist_test.dart
diff --git a/pkg/analysis_server/test/services/correction/assist_test.dart b/pkg/analysis_server/test/services/correction/assist_test.dart
index 64eb62faea9550c621710c5ede282a0ddf358902..c1f2782f4025b9f87b1e367054dabec3668cd79e 100644
--- a/pkg/analysis_server/test/services/correction/assist_test.dart
+++ b/pkg/analysis_server/test/services/correction/assist_test.dart
@@ -4217,13 +4217,13 @@ class AssistProcessorTest_Driver extends AssistProcessorTest {
   @failingTest
   @override
   test_addTypeAnnotation_local_OK_addImport_notLibraryUnit() {
-    return test_addTypeAnnotation_local_OK_addImport_notLibraryUnit();
+    return super.test_addTypeAnnotation_local_OK_addImport_notLibraryUnit();
   }
 
   @failingTest
   @override
   test_invalidSelection() {
-    return test_invalidSelection();
+    return super.test_invalidSelection();
   }
 }