28 takes too long

added a feature that asks the user (via an alert dialog) if they want to continue the test after the test has been running for more than 10 seconds
onProgressUpdate requires no arguments. However, some sort of array is supposed to be passed as the argument. We were unsure what to do, so we set it to be a Void array. Reading online leads me to believe that if there are no arguments, you should pass Void args[] as we did (http://stackoverflow.com/questions/6053602/what-arguments-are-passed-into-asynctaskarg1-arg2-arg3)