Explicitely setup port

RemiCollin · RemiCollin · commit fe49676bb713 · 2018-02-09T13:26:20.000+01:00
diff --git a/tests/config/database.php b/tests/config/database.php
@@ -9,6 +9,7 @@
             'driver'     => 'mongodb',
             'host'       => 'mongodb',
             'database'   => 'unittest',
+            'port'       => 27017,
         ],
 
         'mysql' => [
