Add test cases to ConfigTest.
Add test cases to ConfigTest.

viniciusferreira/phpbrew,hechunwen/phpbrew,wellic/phpbrew,pinkbigmacmedia/phpbrew,pinkbigmacmedia/phpbrew,dduca-sugarcrm/phpbrew,morozov/phpbrew,williamn/phpbrew,wellic/phpbrew,mengzyou/phpbrew,pierredup/phpbrew,mengzyou/phpbrew,davidfuhr/phpbrew,phpbrew/phpbrew,williamn/phpbrew,pierredup/phpbrew,viniciusferreira/phpbrew,hechunwen/phpbrew,morozov/phpbrew,konomae/phpbrew,davidfuhr/phpbrew,williamn/phpbrew,davidfuhr/phpbrew,zonuexe/phpbrew,viniciusferreira/phpbrew,svetlyak40wt/phpbrew,davidfuhr/phpbrew,konomae/phpbrew,pierredup/phpbrew,svetlyak40wt/phpbrew,phpbrew/phpbrew,kayyyy/phpbrew,wellic/phpbrew,dduca-sugarcrm/phpbrew,pinkbigmacmedia/phpbrew,konomae/phpbrew,mengzyou/phpbrew,pierredup/phpbrew,dduca-sugarcrm/phpbrew,zonuexe/phpbrew,davidfuhr/phpbrew,williamn/phpbrew,kayyyy/phpbrew,hechunwen/phpbrew,hechunwen/phpbrew,konomae/phpbrew,phpbrew/phpbrew,wellic/phpbrew,svetlyak40wt/phpbrew,zonuexe/phpbrew,viniciusferreira/phpbrew,pinkbigmacmedia/phpbrew,zonuexe/phpbrew,svetlyak40wt/phpbrew,dduca-sugarcrm/phpbrew,kayyyy/phpbrew,kayyyy/phpbrew,mengzyou/phpbrew