Update Unit test for AppRTCMobile app

webrtc/examples/BUILD.gn

 # Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../build/webrtc.gni")
 if (is_android) {
@@ skipping 341 matching lines @@
       "//build/config/compiler:enable_arc",
       ":socketrocket_warning_config",
     ]
     public_configs = [ ":socketrocket_include_config" ]
 
     libs = [
       "CFNetwork.framework",
       "icucore",
     ]
   }
+
+  if (rtc_include_tests) {
+    config("rtc_apprtcmobile_config") {
+      defines = [ "GTEST_RELATIVE_PATH" ]
+    }
+
+    rtc_test("apprtcmobile_tests") {
+      deps = [
+        ":apprtc_signaling",
+        "//testing/gtest",
+        "//third_party/ocmock",
+      ]
+
+      sources = [
+        "objc/AppRTCMobile/tests/ARDAppClientTest.mm",
+      ]
+
+      if (is_ios) {
+        info_plist = "objc/AppRTCMobile/ios/Info.plist"
+      }
+
+      configs += [
+        ":rtc_apprtcmobile_config",
+        "//build/config/compiler:enable_arc",
+      ]
+    }
+  }
 }
 
 if (is_linux || is_win) {
   if (is_linux) {
     pkg_config("gtk2_config") {
       # Gtk requires gmodule, but it does not list it as a dependency in some
       # misconfigured systems.
       packages = [
         "gmodule-2.0",
         "gtk+-2.0",
@@ skipping 140 matching lines @@
       "//webrtc/pc:rtc_pc",
       "//webrtc/system_wrappers:field_trial_default",
       "//webrtc/system_wrappers:metrics_default",
     ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
 }