add Alexa blank test
fix tests on travis
fix tests
Finish Alexa tests & fix test codecoverge and send to scrutinizer
add a AbstractTestCase and move assertFiles to test-root
make static function testable/mockable
fix autoload problem
add tests for many services
add composer to dev requirements
fix typo
make alexa test better
fix php5.3 test error
fix typo
fix php5.3 error
fix access error in test
fix tests for php version 5.3, 5.4
fix HHVM tests
fix typo
add excluded path to scrutinizer ci
add test case for social and SemRush