20. The method as recited in claim 19 , wherein modifying at least one parameter from the set of parameters identified by the testing grammar based on the determined attributes of the set of test cases corresponds to modifying the at least one parameter based on input received from the user interface.
19. The method as recited in claim 15 further comprising generating a user interface corresponding to the identified one or more attributes of the set of test cases that would be generated based on the set of parameters identified by the testing grammar without generating the set of test cases from the testing grammar.