The best approach would be to use a state machine architecture. Look in the forums for this, the Example Finder, and File, New...., VI and the design patterns.
This way you could set up different test profiles that would let you step through the different steps in whatever order you want. The steps wouldn't be hardcoded into the various frames of the sequence. If you need to end the test early, then you can handle that case finish off with your close out functions such as setting the output to false and end the program.
