#58: Allow browser type to be configured in env file

Author: StasKozar

.env.example

@@ -20,7 +20,7 @@ MAGENTO_ADMIN_PASSWORD=
 #SELENIUM_PATH=/wd/hub
 
 #*** Browser for running tests, default chrome. Uncomment and change if you want to run tests on another browser (ex. firefox).
-#BROWSER=chrome
+BROWSER=chrome
 
 #*** Uncomment and set host & port if your dev environment needs different value other than MAGENTO_BASE_URL for Rest API Requests ***#
 #MAGENTO_RESTAPI_SERVER_HOST=