Add analysis server integration tests for the search domain.

pkg/analysis_server/test/integration/search/find_member_references_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 'package:analysis_server/plugin/protocol/protocol.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../integration_tests.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(FindMemberReferencesTest);
+  });
+}
+
+@reflectiveTest
+class FindMemberReferencesTest extends AbstractAnalysisServerIntegrationTest {
+  String pathname;
+
+  test_findMemberReferences() async {
+    String text = r'''
+String qux() => 'qux';
+
+class Foo {
+  //int bar() => 1;
+  baz() => bar() * bar();
+}
+''';
+
+    pathname = sourcePath('foo.dart');
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+    await analysisFinished;
+
+    SearchFindMemberReferencesResult referencesResult =
+        await sendSearchFindMemberReferences('bar');
+    expect(referencesResult.id, isNotNull);
+
+    SearchResultsParams searchParams = await onSearchResults.first;
+    expect(searchParams.id, referencesResult.id);
+    expect(searchParams.isLast, isTrue);
+    expect(searchParams.results, isNotEmpty);
+    expect(searchParams.results, hasLength(2));
+
+    SearchResult result = searchParams.results.first;
+    expect(result.location.file, pathname);
+    expect(result.isPotential, isTrue);
+    expect(result.kind.name, SearchResultKind.INVOCATION.name);
+    expect(result.path.first.name, 'baz');
+  }
+
+  @override
+  bool get enableNewAnalysisDriver => true;
+}