diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_webconsole_bug_603750_websocket.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_webconsole_bug_603750_websocket.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ *
+ * Contributor(s):
+ *  Mihai Șucan <mihai.sucan@gmail.com>
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-bug-603750-websocket.html";
+
+function test() {
+  addTab("data:text/html;charset=utf-8,Web Console test for bug 603750: Web Socket errors");
+  browser.addEventListener("load", function tabLoad() {
+    browser.removeEventListener("load", tabLoad, true);
+    openConsole(null, (hud) => {
+      content.location = TEST_URI;
+      info("waiting for websocket errors");
+      waitForMessages({
+        webconsole: hud,
+        messages: [
+          {
+            text: "ws://0.0.0.0:81",
+            source: { url: "test-bug-603750-websocket.js" },
+            category: CATEGORY_JS,
+            severity: SEVERITY_ERROR,
+          },
+          {
+            text: "ws://0.0.0.0:82",
+            source: { url: "test-bug-603750-websocket.js" },
+            category: CATEGORY_JS,
+            severity: SEVERITY_ERROR,
+          },
+        ]}).then(finishTest);
+    });
+  }, true);
+}
+