Tweak test for the new resolved/parsed AST management and restore it.

pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart

Index: pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart
diff --git a/pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart b/pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart
index b641ae354934eecb4606018523a8f370ab95f762..f78c21ae57686d20d49c1bd127c5d87117cbc6b9 100644
--- a/pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart
+++ b/pkg/analysis_server/test/services/refactoring/rename_unit_member_test.dart
@@ -172,10 +172,7 @@ class B extends A {
     });
   }
 
-  xtest_checkFinalConditions_shadowsInSubClass_notImportedLib() {
-    indexTestUnit('''
-class Test {}
-''');
+  test_checkFinalConditions_shadowsInSubClass_notImportedLib() {
     indexUnit('/lib.dart', '''
 library my.lib;
 class A {
@@ -187,6 +184,9 @@ class B extends A {
   }",
 }
 ''');
+    indexTestUnit('''
+class Test {}
+''');
     createRenameRefactoringAtString('Test {}');
     // check status
     refactoring.newName = 'NewName';