Try to change phpunit conf

Author: dvlpp

phpunit.xml

@@ -12,7 +12,7 @@
   <php>
     <env name="APP_ENV" value="testing"/>
     <env name="CACHE_DRIVER" value="array"/>
-    <env name="SESSION_DRIVER" value="array"/>
+    <env name="SESSION_DRIVER" value="file"/>
     <env name="QUEUE_DRIVER" value="sync"/>
   </php>
   <source>