Makes us compile mojo_view_manager_lib_unittests

components/view_manager/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
 
 mojo_native_application("view_manager") {
   sources = [
@@ skipping 101 matching lines @@
     "//base",
     "//components/view_manager/public/cpp",
     "//components/view_manager/public/cpp:common",
     "//components/view_manager/public/interfaces",
     "//mojo/common",
     "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
     "//ui/mojo/geometry:interfaces",
   ]
 }
 
-test("tests") {
-  output_name = "view_manager_unittests"
+group("tests") {
+  testonly = true
+  deps = [
+    ":apptests",

[msw, 2015/05/20 18:20:54]

nit: if you include apptests here, the entry
"//components/view_manager:apptests" in mandoline/BUILD.gn is redundant.

[sky, 2015/05/20 19:12:28]

Done.

+    ":view_manager_unittests",
+    "//components/view_manager/public/cpp/tests:mojo_view_manager_lib_unittests",
+  ]
+}
+
+test("view_manager_unittests") {
   sources = [
     "animation_runner_unittest.cc",
     "focus_controller_unittest.cc",
     "gesture_manager_unittest.cc",
     "scheduled_animation_group_unittest.cc",
     "server_view_drawn_tracker_unittest.cc",
     "test_server_view_delegate.cc",
     "test_server_view_delegate.h",
     "view_coordinate_conversions_unittest.cc",
     "view_manager_service_unittest.cc",
@@ skipping 44 matching lines @@
     "//mojo/application",
     "//mojo/application:test_support",
     "//mojo/common",
     "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]
 
   data_deps = [ ":view_manager" ]
 }