Fix some completion tests with parts.

pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart

Index: pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart b/pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart
index 1740fa7a426b3023537aa28b652d875521573911..20cf6ef9f9da8adc20f0cd3e6034f44d3477247c 100644
--- a/pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart
+++ b/pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart
@@ -4558,11 +4558,4 @@ class LocalReferenceContributorTest_Driver
     extends LocalReferenceContributorTest {
   @override
   bool get enableNewAnalysisDriver => true;
-
-  @failingTest
-  @override
-  test_partFile_TypeName2() {
-//    Bad state: Should not be used with the new analysis driver.
-    return super.test_partFile_TypeName2();
-  }
 }