Increase win_async_wrapper fire and forget time check for more stabilisation

test/integration/targets/win_async_wrapper/tasks/main.yml

@@ -4,7 +4,7 @@
 
 - name: async fire and forget
   async_test:
-    sleep_delay_sec: 10
+    sleep_delay_sec: 15
   async: 20
   poll: 0
   register: asyncresult
@@ -18,7 +18,7 @@
     - asyncresult is not finished
     - asyncresult.results_file is search('\.ansible_async.+\d+\.\d+')
      # ensure that async is actually async- this test will fail if # hosts > forks or if the target host is VERY slow
-    - (lookup('pipe', 'date +%s') | int) - (start_timestamp | int) < 8
+    - (lookup('pipe', 'date +%s') | int) - (start_timestamp | int) < 15
 
 - name: async poll immediate success
   async_test: