version_->DispatchInstallEvent(-1, CreateReceiverOnCurrentThread(&status));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(SERVICE_WORKER_OK, status);
version_->DispatchInstallEvent(-1, CreateReceiverOnCurrentThread(&status));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(SERVICE_WORKER_OK, status);