You are working for an organization that has implemented CI and is struggling to get the automated tests to run on each build because of time limitation. On average, there are three ad hoc builds per day one scheduled build overnight one scheduled build on Friday nights and one build that is conducted on the Thursday night before the end of the sprint on the second Friday. There are four sets of tests high priority medium priority low priority, nonfunctional. The non-functional tests must be run in the integrated stage environment whereas the other tests can be run in any of the test environments In addition to just the execution time of the tests it has also been noted that reviewing the results of the tests take about two hours per set of tests Given this information which of the following is the most efficient and effective approach to test automation execution?