Add completion tests for the new analysis driver.

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

Index: pkg/analysis_server/test/services/completion/dart/combinator_contributor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/dart/combinator_contributor_test.dart b/pkg/analysis_server/test/services/completion/dart/combinator_contributor_test.dart
index 7b4774c72575f579ac7862c8961c7cfc11be2310..3ce88ef2e11a368ef5858d9c3d3b0f1b8adb7e70 100644
--- a/pkg/analysis_server/test/services/completion/dart/combinator_contributor_test.dart
+++ b/pkg/analysis_server/test/services/completion/dart/combinator_contributor_test.dart
@@ -15,6 +15,7 @@ import 'completion_contributor_util.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(CombinatorContributorTest);
+    defineReflectiveTests(CombinatorContributorTest_Driver);
   });
 }
 
@@ -151,3 +152,23 @@ class CombinatorContributorTest extends DartCompletionContributorTest {
         kind: CompletionSuggestionKind.IDENTIFIER);
   }
 }
+
+@reflectiveTest
+class CombinatorContributorTest_Driver extends CombinatorContributorTest {
+  @override
+  bool get enableNewAnalysisDriver => true;
+
+  @failingTest
+  @override
+  test_Combinator_hide() {
+//    Bad state: Should not be used with the new analysis driver.
+    return super.test_Combinator_hide();
+  }
+
+  @failingTest
+  @override
+  test_Combinator_show() {
+//    Bad state: Should not be used with the new analysis driver.
+    return super.test_Combinator_show();
+  }
+}