don't throw an exception if the test script path is a classpath resource (indicated by starting with @)
Refactored to reuse classpath check for normal test goal as well.
Merge branch 'feature/classpath' into develop

* feature/classpath:
  Refactored to reuse classpath check for normal test goal as well.
  don't throw an exception if the test script path is a classpath resource (indicated by starting with @)