Service test classes now use `ServiceTestClassCollection` and the appropriate `Clock` implementation
Process tests now using class collections, and appropriate clock
Cleanup
 - remove @BeforeMethods that set autocommit = true
 - removed @AfterMethods catch & swallow exception, just throw it instead
Merge branch 'feat/registration-types-tests' of http://github.com/CruGlobal/conf-registration-api into feat/registration-types-tests