Fix remaining quick open intermittent (#5397)

Author: jasonLaster

src/test/mochitest/browser.ini

@@ -147,6 +147,7 @@ skip-if = os == "win"
 [browser_dbg-search-file.js]
 skip-if = os == "win" # Bug 1393121
 [browser_dbg-quick-open.js]
+skip-if = os == "win"
 [browser_dbg-search-project.js]
 [browser_dbg-sourcemaps.js]
 [browser_dbg-sourcemaps-reload.js]

src/test/mochitest/browser_dbg-quick-open.js

@@ -62,10 +62,11 @@ add_task(async function() {
   pressKey(dbg, "Escape");
   assertDisabled(dbg);
 
+  await waitForSource(dbg, "switching-01");
   quickOpen(dbg, "sw");
   pressKey(dbg, "Enter");
-
   await waitForSelectedSource(dbg, "switching-01");
+
   info("Arrow keys and check to see if source is selected");
   quickOpen(dbg, "sw");
   is(resultCount(dbg), 2, "two file results");