added Yii initialization for acceptance tests
added Yii initialization for acceptance tests

githubjeka/yii2-app-advanced,tibrus/yii2-app-advanced,cophiel/YII2-Learning,nikbas/yii2-app-advanced,yiisoft/yii2-app-advanced,Somefive/Athena,yiijan/yii2-app-advanced,dmitry-kulikov/yii2-app-advanced,nikbas/yii2-app-advanced,erycamel/yii2-app-advanced,erycamel/yii2-app-advanced,mobilejazz/yii2-mj-cms-example,Somefive/Athena,mobilejazz/yii2-mj-cms-example,dixonsatit/yii2-dixon-starter,githubjeka/yii2-app-advanced,yiisoft/yii2-app-advanced,cophiel/YII2-Learning,dmitry-kulikov/yii2-app-advanced,yiijan/yii2-app-advanced,dixonsatit/yii2-dixon-starter