1 files changed, 4 insertions, 3 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-windowless-workers.js b/devtools/client/debugger/test/mochitest/browser_dbg-windowless-workers.js
index ffe362b44f..49decefd1c 100644
--- a/devtools/client/debugger/test/mochitest/browser_dbg-windowless-workers.js
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-windowless-workers.js
@@ -10,7 +10,10 @@
 add_task(async function () {
   await pushPref("devtools.debugger.threads-visible", true);
 
-  const dbg = await initDebugger("doc-windowless-workers.html");
+  const dbg = await initDebugger(
+    "doc-windowless-workers.html",
+    "simple-worker.js"
+  );
   const mainThread = dbg.toolbox.threadFront.actor;
 
   await waitForThreadCount(dbg, 2);
@@ -21,8 +24,6 @@ add_task(async function () {
 
   const mainThreadSource = findSource(dbg, "doc-windowless-workers.html");
 
-  await waitForSource(dbg, "simple-worker.js");
-
   info("Pause in the main thread");
   assertNotPaused(dbg);
   await dbg.actions.breakOnNext();