Took another crack at fixing the stupid KVO_IS_RETAINING_ALL_OBSERVERS_OF_THIS_OBJECT_IF_IT_CRASHES_AN_OBSERVER_WAS_OVERRELEASED_OR_SMASHED crash which occurs sometimes when running Safari test.

Author: jerrykrinock

SSYOperationQueue.m

@@ -240,7 +240,10 @@ - (void)observeValueForKeyPath:(NSString*)keyPath
                  Sorry, on 20200601, again while running the Safari/run.sh test
                  AppleScript, it crashed again.  So I increased the sleep time
                  to 2. */
-                sleep(2);
+                Sorry, on 202103XX, again while running the Safari/run.sh test
+                AppleScript, it crashed again.  So I increased the sleep time
+                to 5. */
+                sleep(5);
                 [scriptCommand resumeExecutionWithResult:[self scriptResult]] ;
                 [self setScriptCommand:nil] ;
             }