Add missing data property

client/src/pages/rooms.vue

@@ -4,6 +4,7 @@
       <room-widget
         v-bind="room"
         :key="room.name"
+        data-cy="room-widget"
         v-for="room in filteredRooms"/>
       <add-room
         class="rooms-page__add-room"
@@ -11,10 +12,7 @@
         v-if="canAddRoom"/>
 
     </template>
-    <template v-else>
-      <rooms-onboarding/>
-    </template>
-
+    <rooms-onboarding v-else/>
   </div>
 </template>