1. A non-transitory computer readable storage medium comprising instructions stored thereon which, when executed, cause a computing system to perform a method of executing a test while creating said test, said method comprising: presenting a user interface for entry of lines of a custom action enabled test case; for each line of said custom action enabled test case for a software item, said custom action enabled test case comprising a plurality of lines: for each portion of said line, said portion comprising received characters of said line, said line comprising a plurality of portions: receiving said portion of said line of said custom action enabled test case; validating syntax of said portion of said line upon entry of said portion of said line; and provided a syntax error is identified, indicating said syntax error; automatically executing said line after said syntax validation of said line; and indicating any error based on execution of said line; and storing said custom action enabled test case in a library; wherein each of said lines comprises a reference to an action, a subject referring to said software item and a value indicating what to change the subject to and/or check the subject against.