4. The one or more computer-readable media of claim 1 , wherein to generate test versions of the one or more executable modules includes generation of a test version of one of the one or more executable modules that logs arguments passed to the test version by the test code.
5. The one or more computer-readable media of claim 4 , wherein the test version of the one of the one or more executable modules is further to invoke a test version of another of the one or more executable modules that is identified in the arguments.