Bug 1244697 - Skip test_WorkerDebuggerGlobalScope.reportError.xul on Linux for intermittent timeouts.

dom/workers/test/chrome.ini

@@ -60,6 +60,7 @@ support-files =
 [test_WorkerDebuggerGlobalScope.createSandbox.xul]
 [test_WorkerDebuggerGlobalScope.enterEventLoop.xul]
 [test_WorkerDebuggerGlobalScope.reportError.xul]
+skip-if = (os == 'linux') # Bug 1244697
 [test_WorkerDebuggerGlobalScope.setImmediate.xul]
 [test_WorkerDebuggerManager.xul]
 skip-if = (os == 'linux') # Bug 1244409