Fix tests with assertTag
Fix tests with assertTag

assertTag is deprecated and throws an deprecated message, failing the tests.
Replaced it with a simple Contains assertion.
Big-Shark/php-debugbar,maximebf/php-debugbar,reignHay/debugbar,PatidarWeb/php-debugbar,maximebf/php-debugbar,reignHay/debugbar,PatidarWeb/php-debugbar,stefandoorn/php-debugbar,stefandoorn/php-debugbar,getgrav/php-debugbar,Big-Shark/php-debugbar,getgrav/php-debugbar,reignHay/debugbar,Big-Shark/php-debugbar,PatidarWeb/php-debugbar,getgrav/php-debugbar,DanPhyxius/php-debugbar,DanPhyxius/php-debugbar,maximebf/php-debugbar,DanPhyxius/php-debugbar,Big-Shark/php-debugbar,stefandoorn/php-debugbar,stefandoorn/php-debugbar,reignHay/debugbar,DanPhyxius/php-debugbar