Add integration tests for edit.getAssists and edit.getFixes.

pkg/analysis_server/test/integration/coverage_test.dart

 // Copyright (c) 2017, 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.
 
 import 'dart:io';
 
 import 'package:analysis_server/src/services/correction/strings.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart';
 
 import '../../tool/spec/api.dart';
 import '../../tool/spec/from_html.dart';
 
-// TODO(devoncarew): Several of the analysis domain methods are covered, but
-// they aren't using the below file name pattern.
-
 /// Define tests to fail if there's no mention in the coverage file.
 main() {
   Api api;
   File coverageFile;
   String pathPrefix;
 
   // parse the API file
   if (FileSystemEntity
       .isFileSync(path.join('tool', 'spec', 'spec_input.html'))) {
     api = readApi('.');
@@ skipping 68 matching lines @@
 
   // validate no unexpected domains
   group('integration coverage', () {
     test('no unexpected domains', () {
       for (String domain in coveredDomains) {
         expect(api.domains.map((d) => d.name), contains(domain));
       }
     });
   });
 }