Make subclasses of AbstractContextTest asynchronous.

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.services.refactoring.rename_import;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'abstract_rename.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(RenameImportTest);
   });
 }
 
 @reflectiveTest
 class RenameImportTest extends RenameRefactoringTest {
-  test_checkNewName() {
-    indexTestUnit("import 'dart:async' as test;");
+  test_checkNewName() async {
+    await indexTestUnit("import 'dart:async' as test;");
     _createRefactoring("import 'dart:");
     expect(refactoring.oldName, 'test');
     // null
     refactoring.newName = null;
     assertRefactoringStatus(
         refactoring.checkNewName(), RefactoringProblemSeverity.FATAL,
         expectedMessage: "Import prefix name must not be null.");
     // same
     refactoring.newName = 'test';
     assertRefactoringStatus(
         refactoring.checkNewName(), RefactoringProblemSeverity.FATAL,
         expectedMessage:
             "The new name must be different than the current name.");
     // empty
     refactoring.newName = '';
     assertRefactoringStatusOK(refactoring.checkNewName());
     // OK
     refactoring.newName = 'newName';
     assertRefactoringStatusOK(refactoring.checkNewName());
   }
 
-  test_createChange_add() {
-    indexTestUnit('''
+  test_createChange_add() async {
+    await indexTestUnit('''
 import 'dart:async';
 import 'dart:math' show Random, min hide max;
 main() {
   Future f;
   Random r;
   min(1, 2);
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:math");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring('''
 import 'dart:async';
 import 'dart:math' as newName show Random, min hide max;
 main() {
   Future f;
   newName.Random r;
   newName.min(1, 2);
 }
 ''');
   }
 
-  test_createChange_add_interpolationExpression_hasCurlyBrackets() {
-    indexTestUnit(r'''
+  test_createChange_add_interpolationExpression_hasCurlyBrackets() async {
+    await indexTestUnit(r'''
 import 'dart:async';
 main() {
   Future f;
   print('Future type: ${Future}');
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:async");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring(r'''
 import 'dart:async' as newName;
 main() {
   newName.Future f;
   print('Future type: ${newName.Future}');
 }
 ''');
   }
 
-  test_createChange_add_interpolationExpression_noCurlyBrackets() {
-    indexTestUnit(r'''
+  test_createChange_add_interpolationExpression_noCurlyBrackets() async {
+    await indexTestUnit(r'''
 import 'dart:async';
 main() {
   Future f;
   print('Future type: $Future');
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:async");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring(r'''
 import 'dart:async' as newName;
 main() {
   newName.Future f;
   print('Future type: ${newName.Future}');
 }
 ''');
   }
 
-  test_createChange_change_className() {
-    indexTestUnit('''
+  test_createChange_change_className() async {
+    await indexTestUnit('''
 import 'dart:math' as test;
 import 'dart:async' as test;
 main() {
   test.Future f;
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:async");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     expect(refactoring.oldName, 'test');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring('''
 import 'dart:math' as test;
 import 'dart:async' as newName;
 main() {
   newName.Future f;
 }
 ''');
   }
 
-  test_createChange_change_function() {
-    indexTestUnit('''
+  test_createChange_change_function() async {
+    await indexTestUnit('''
 import 'dart:math' as test;
 import 'dart:async' as test;
 main() {
   test.max(1, 2);
   test.Future f;
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:math");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     expect(refactoring.oldName, 'test');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring('''
 import 'dart:math' as newName;
 import 'dart:async' as test;
 main() {
   newName.max(1, 2);
   test.Future f;
 }
 ''');
   }
 
-  test_createChange_change_onPrefixElement() {
-    indexTestUnit('''
+  test_createChange_change_onPrefixElement() async {
+    await indexTestUnit('''
 import 'dart:async' as test;
 import 'dart:math' as test;
 main() {
   test.Future f;
   test.PI;
   test.E;
 }
 ''');
     // configure refactoring
     createRenameRefactoringAtString('test.PI');
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     expect(refactoring.oldName, 'test');
     refactoring.newName = 'newName';
     // validate change
     return assertSuccessfulRefactoring('''
 import 'dart:async' as test;
 import 'dart:math' as newName;
 main() {
   test.Future f;
   newName.PI;
   newName.E;
 }
 ''');
   }
 
-  test_createChange_remove() {
-    indexTestUnit('''
+  test_createChange_remove() async {
+    await indexTestUnit('''
 import 'dart:math' as test;
 import 'dart:async' as test;
 main() {
   test.Future f;
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:async");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     expect(refactoring.oldName, 'test');
     refactoring.newName = '';
     // validate change
     return assertSuccessfulRefactoring('''
 import 'dart:math' as test;
 import 'dart:async';
 main() {
   Future f;
 }
 ''');
   }
 
-  test_oldName_empty() {
-    indexTestUnit('''
+  test_oldName_empty() async {
+    await indexTestUnit('''
 import 'dart:math';
 import 'dart:async';
 main() {
   Future f;
 }
 ''');
     // configure refactoring
     _createRefactoring("import 'dart:async");
     expect(refactoring.refactoringName, 'Rename Import Prefix');
     expect(refactoring.oldName, '');
   }
 
   void _createRefactoring(String search) {
     ImportDirective directive =
         findNodeAtString(search, (node) => node is ImportDirective);
     createRenameRefactoringForElement(directive.element);
   }
 }