--- a/devtools/client/inspector/test/browser_inspector_highlighter-keybinding_03.js
+++ b/devtools/client/inspector/test/browser_inspector_highlighter-keybinding_03.js
@@ -42,17 +42,18 @@ add_task(function* () {
   is(inspector.selection.nodeFront.id, "another",
      "The #another DIV is still selected. Passed.");
 
   function doKeyPick(args) {
     info("Key pressed. Waiting for element to be picked");
     testActor.synthesizeKey(args);
     return promise.all([
       inspector.selection.once("new-node-front"),
-      inspector.once("inspector-updated")
+      inspector.once("inspector-updated"),
+      inspector.toolbox.once("picker-stopped")
     ]);
   }
 
   function doKeyStop(args) {
     info("Key pressed. Waiting for picker to be canceled");
     testActor.synthesizeKey(args);
     return inspector.toolbox.once("picker-stopped");
   }