Disable ProtocolHandlerRequestIdCorrelationTest.RunAsyncTest with PlzNavigate to green up headless_…

headless/lib/headless_devtools_client_browsertest.cc

Index: headless/lib/headless_devtools_client_browsertest.cc
diff --git a/headless/lib/headless_devtools_client_browsertest.cc b/headless/lib/headless_devtools_client_browsertest.cc
index 0bb4bf1be6ae3d26991615743860a6899822f886..d81df8611c70ea0686d813441b6f549e169239c9 100644
--- a/headless/lib/headless_devtools_client_browsertest.cc
+++ b/headless/lib/headless_devtools_client_browsertest.cc
@@ -433,11 +433,19 @@ class TargetDomainDisposeContextFailsIfInUse
 HEADLESS_ASYNC_DEVTOOLED_TEST_F(TargetDomainDisposeContextFailsIfInUse);
 
 class TargetDomainCreateTwoContexts : public HeadlessAsyncDevTooledBrowserTest,
-                                      public target::ExperimentalObserver {
+                                      public target::ExperimentalObserver,
+                                      public page::Observer {
  public:
   void RunDevTooledTest() override {
     EXPECT_TRUE(embedded_test_server()->Start());
 
+    base::RunLoop run_loop;
+    devtools_client_->GetPage()->AddObserver(this);
+    devtools_client_->GetPage()->Enable(run_loop.QuitClosure());
+    base::MessageLoop::ScopedNestableTaskAllower nest_loop(
+        base::MessageLoop::current());
+    run_loop.Run();
+
     devtools_client_->GetTarget()->GetExperimental()->AddObserver(this);
     devtools_client_->GetTarget()->GetExperimental()->CreateBrowserContext(
         target::CreateBrowserContextParams::Builder().Build(),