Add an analytics domain to the analysis server.

pkg/analysis_server/test/integration/analytics/is_enabled_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/protocol/protocol_generated.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../support/integration_tests.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(IsEnabledTest);
+  });
+}
+
+@reflectiveTest
+class IsEnabledTest extends AbstractAnalysisServerIntegrationTest {
+  test_isEnabled() async {
+    standardAnalysisSetup();
+
+    AnalyticsIsEnabledResult result = await sendAnalyticsIsEnabled();
+    // Very lightweight validation of the returned data.
+    expect(result, isNotNull);
+  }
+}