Run refactoring tests with the new analysis driver.

pkg/analysis_server/test/services/search/hierarchy_test.dart

Index: pkg/analysis_server/test/services/search/hierarchy_test.dart
diff --git a/pkg/analysis_server/test/services/search/hierarchy_test.dart b/pkg/analysis_server/test/services/search/hierarchy_test.dart
index 852d76289083e012b4c8d5632478fcacff65498f..e8638dcbe8f29c6424fba899b50a6cbebe19a11f 100644
--- a/pkg/analysis_server/test/services/search/hierarchy_test.dart
+++ b/pkg/analysis_server/test/services/search/hierarchy_test.dart
@@ -25,7 +25,7 @@ main() {
 }
 
 @reflectiveTest
-abstract class AbstractSingleUnitTest0 extends AbstractSingleUnitTest {
+abstract class AbstractHierarchyTest extends AbstractSingleUnitTest {
   SearchEngine get searchEngine;
 
   test_getClassMembers() async {
@@ -361,7 +361,7 @@ class F implements A {}
 }
 
 @reflectiveTest
-class HierarchyTest extends AbstractSingleUnitTest0 {
+class HierarchyTest extends AbstractHierarchyTest {
   Index index;
   SearchEngineImpl searchEngine;
 
@@ -378,7 +378,7 @@ class HierarchyTest extends AbstractSingleUnitTest0 {
 }
 
 @reflectiveTest
-class HierarchyTest_Driver extends AbstractSingleUnitTest0 {
+class HierarchyTest_Driver extends AbstractHierarchyTest {
   SearchEngineImpl2 searchEngine;
 
   @override