def METHOD_NAME(self):
    """
    Build unit tests and libraries to be tested.
    """
    args = [self.make_program]
    # Speed up compilation by running on more than one core
    count = psutil.cpu_count()
    args.append("-j{}".format(count+1))
    if logging.getLogger().getEffectiveLevel() == logging.DEBUG:
        args.append("VERBOSE=1")
    execute_program(args,
                    "Building unit tests failed.",
                    "Unit tests built successfully.")