tests: Try to unflake tab tests

Signed-off-by: Marcel Klehr <[email protected]>

Author: marcelklehr

src/test/test.js

@@ -8434,9 +8434,9 @@ function awaitTabsUpdated() {
     new Promise(resolve => {
       browser.tabs.onUpdated.addListener(() => {
         browser.tabs.onUpdated.removeListener(resolve)
-        setTimeout(() => resolve(), 1000)
+        setTimeout(() => resolve(), 1300)
       })
     }),
-    new Promise(resolve => setTimeout(resolve, 1100))
+    new Promise(resolve => setTimeout(resolve, 1500))
   ])
 }