Bug 1145754 - Follow-up to fix e10s bustage due to CPOW usage during a sync message. r=bustage on a CLOSED TREE

browser/devtools/webconsole/test/browser_webconsole_netlogging.js

@@ -184,12 +184,14 @@ function testFormSubmission()
 
     executeSoon(testNetworkPanel);
   };
-
-  let form = content.document.querySelector("form");
-  ok(form, "we have the HTML form");
-  form.submit();
+  ContentTask.spawn(gBrowser.selectedBrowser, { }, `function()
+  {
+    let form = content.document.querySelector("form");
+    form.submit();
+  }`);
 }
 
+
 function testNetworkPanel()
 {
   // Open the NetworkPanel. The functionality of the NetworkPanel is tested