diff --git a/phpunit.xml b/phpunit.xml
index e7f0a48..8da61a2 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -29,6 +29,7 @@
         <env name="MAIL_MAILER" value="array"/>
         <env name="QUEUE_CONNECTION" value="sync"/>
         <env name="SESSION_DRIVER" value="array"/>
+        <env name="STREAMING_VIEWER_COUNT_CACHE_STORE" value="array"/>
         <env name="PULSE_ENABLED" value="false"/>
         <env name="TELESCOPE_ENABLED" value="false"/>
         <env name="NIGHTWATCH_ENABLED" value="false"/>