diff --git a/packages/rocketchat-ui/client/views/app/room.js b/packages/rocketchat-ui/client/views/app/room.js
index d37c040183e64..f647e2aef6a2b 100644
--- a/packages/rocketchat-ui/client/views/app/room.js
+++ b/packages/rocketchat-ui/client/views/app/room.js
@@ -970,7 +970,7 @@ Template.room.onCreated(function() {
 
 	const updateMessages = _.debounce(() => {
 		this.messages.set(ChatMessage.find(query, options).fetch());
-	}, 100);
+	}, process.env.TEST_MODE ? 0 : 100);
 
 	this.messageObserver = ChatMessage.find(query).observe({
 		added: updateMessages,