change test db connection to mysql

app/Http/Controllers/BookingController.php

@@ -76,7 +76,7 @@ class BookingController extends Controller
         }
        
         return $bookings;
-	}
+    }
 	
 	public function adminIndex(){
 		$user = Auth::user(); 

phpunit.xml

@@ -32,7 +32,7 @@
         <env name="QUEUE_DRIVER" value="sync"/>
         <env name="DB_CONNECTION" value="testing"/>
         <env name="MAIL_DRIVER" value="array"/>
-        <env name="DB_CONNECTION" value="sqlite"/>
+        <env name="DB_CONNECTION" value="mysql"/>
         <env name="DB_DATABASE" value=":memory:"/>
         <ini name="display_errors" value="true"/>
     </php>