dbus: Stop timing out in TestService::WaitUntilServiceIsStarted()

Removing the timeout to have one less sources of flakiness.

BUG=872732
TEST=dbus_unittests

Change-Id: I7ca390a19a77686df268332850e3951e6d13d3d1
Reviewed-on: https://chromium-review.googlesource.com/1170719
Commit-Queue: Ryo Hashimoto <[email protected]>
Reviewed-by: Satoru Takabayashi <[email protected]>
Cr-Commit-Position: refs/heads/master@{#582506}
diff --git a/dbus/test_server.cc b/dbus/test_server.cc
index d8cb0d5..a20cf56 100644
--- a/dbus/test_server.cc
+++ b/dbus/test_server.cc
@@ -23,6 +23,6 @@
   options.dbus_task_runner = dbus_thread.task_runner();
   dbus::TestService* test_service = new dbus::TestService(options);
   CHECK(test_service->StartService());
-  CHECK(test_service->WaitUntilServiceIsStarted());
+  test_service->WaitUntilServiceIsStarted();
   CHECK(test_service->HasDBusThread());
 }