Enable analysis driver in tests where possible

pkg/analysis_server/test/search/member_declarations_test.dart

Index: pkg/analysis_server/test/search/member_declarations_test.dart
diff --git a/pkg/analysis_server/test/search/member_declarations_test.dart b/pkg/analysis_server/test/search/member_declarations_test.dart
index 57af35c3e74c24524795eaaf653c31f6ac67ae01..e2e392f688882b30f10cea5338c19648c2217671 100644
--- a/pkg/analysis_server/test/search/member_declarations_test.dart
+++ b/pkg/analysis_server/test/search/member_declarations_test.dart
@@ -47,6 +47,12 @@ class MemberDeclarationsTest extends AbstractSearchDomainTest {
     return null;
   }
 
+  @override
+  void setUp() {
+    enableNewAnalysisDriver = true;
+    super.setUp();
+  }
+
   test_localVariable() async {
     addTestFile('''
 class A {