Use sqlite

Author: kitloong

phpunit.xml

@@ -16,7 +16,7 @@
     <env name="SESSION_DRIVER" value="array"/>
     <env name="QUEUE_DRIVER" value="sync"/>
     <env name="MAIL_DRIVER" value="log"/>
-    <env name="DB_CONNECTION" value="sqlite_testing"/>
+    <env name="DB_CONNECTION" value="sqlite"/>
     <env name="DB_DATABASE" value=":memory:"/>
   </php>
 </phpunit>