diff -r 000000000000 -r 6474c204b198 browser/devtools/canvasdebugger/test/browser_canvas-actor-test-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/canvasdebugger/test/browser_canvas-actor-test-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the canvas debugger leaks on initialization and sudden destruction.
+ * You can also use this initialization format as a template for other tests.
+ */
+
+function ifTestingSupported() {
+  let [target, debuggee, front] = yield initCallWatcherBackend(SIMPLE_CANVAS_URL);
+
+  ok(target, "Should have a target available.");
+  ok(debuggee, "Should have a debuggee available.");
+  ok(front, "Should have a protocol front available.");
+
+  yield removeTab(target.tab);
+  finish();
+}