Remove an assert in testsuites.js and instead handle it with an if check.
Remove an assert in testsuites.js and instead handle it with an if check.

thomthom/testup-2,economysizegeek/testup-2,thomthom/testup-2,thomthom/testup-2,SketchUp/testup-2,SketchUp/testup-2,thomthom/testup-2,SketchUp/testup-2,economysizegeek/testup-2,SketchUp/testup-2,thomthom/testup-2,economysizegeek/testup-2,SketchUp/testup-2,SketchUp/testup-2,economysizegeek/testup-2,thomthom/testup-2