Bug 1713806 - [devtools] Fix lint in browser_aboutdebugging_devtoolstoolbox_splitconsole_key.js. CLOSED TREE

Differential Revision: https://phabricator.services.mozilla.com/D116495

devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_devtoolstoolbox_splitconsole_key.js

@@ -30,7 +30,7 @@ add_task(async function() {
   await toolbox.selectTool("inspector");
 
   info("Press Escape and wait for the split console to be opened");
-  let onSplitConsole = toolbox.once("split-console");
+  const onSplitConsole = toolbox.once("split-console");
   EventUtils.synthesizeKey("VK_ESCAPE", {}, devtoolsWindow);
   await onSplitConsole;
   await waitUntil(() => toolbox.isSplitConsoleFocused());