deleted ims lg cache when running lg update from test route

inventory_provider/tasks/ims_worker.py

@@ -24,8 +24,12 @@ logger = logging.getLogger(__name__)
 @log_task_entry_and_exit
 def update_lg_routers_ims(self, use_current=False):
 
-    r = get_current_redis(InventoryTask.config) if use_current \
-        else get_next_redis(InventoryTask.config)
+    if use_current:
+        r = get_current_redis(InventoryTask.config)
+        for k in r.scan_iter('classifier-cache:ims-lg:*'):
+            r.delete(k)
+    else:
+        r = get_next_redis(InventoryTask.config)
 
     for k in r.scan_iter('ims:lg:*'):
         r.delete(k)