修改测试环境缓存

phpunit.xml

@@ -33,7 +33,9 @@
     <php>
         <server name="APP_ENV" value="testing"/>
         <server name="BCRYPT_ROUNDS" value="4"/>
-        <server name="CACHE_DRIVER" value="array"/>
+        <server name="CACHE_DRIVER" value="redis"/>
+        <server name="DB_CONNECTION" value="sqlite"/>
+        <server name="DB_DATABASE" value=":memory:"/>
         <server name="MAIL_DRIVER" value="array"/>
         <server name="QUEUE_CONNECTION" value="sync"/>
         <server name="SESSION_DRIVER" value="array"/>