Misc service_manager and service test cleanup

services/service_manager/public/cpp/test/run_all_service_tests.cc

 // Copyright 2016 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.
 
+#include "base/message_loop/message_loop.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
+#include "base/threading/thread.h"
 #include "mojo/edk/embedder/embedder.h"
-#include "services/service_manager/background/background_service_manager_main.h"
+#include "mojo/edk/embedder/scoped_ipc_support.h"
+#include "services/catalog/catalog.h"
+#include "services/service_manager/public/cpp/test/service_test_catalog.h"
 
-int MasterProcessMain(int argc, char** argv) {
+int main(int argc, char** argv) {
   base::TestSuite test_suite(argc, argv);
+
+  catalog::Catalog::SetDefaultCatalogManifest(
+      service_manager::test::CreateTestCatalog());
+
   mojo::edk::Init();
+
+  base::Thread ipc_thread("IPC thread");
+  ipc_thread.StartWithOptions(
+      base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
+  mojo::edk::ScopedIPCSupport ipc_support(
+      ipc_thread.task_runner(),
+      mojo::edk::ScopedIPCSupport::ShutdownPolicy::CLEAN);
+
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
 }