fix tests

api/tacticalrmm/tacticalrmm/cache.py

@@ -1,4 +1,5 @@
 from django.core.cache.backends.redis import RedisCache
+from django.core.cache.backends.dummy import DummyCache
 from typing import Optional
 
 
@@ -8,3 +9,8 @@ class TacticalRedisCache(RedisCache):
 
         if keys:
             self._cache.delete_many(keys)
+
+
+class TacticalDummyCache(DummyCache):
+    def delete_many_pattern(self, pattern: str, version: Optional[int] = None) -> None:
+        pass

api/tacticalrmm/tacticalrmm/test.py

@@ -18,7 +18,7 @@ if TYPE_CHECKING:
 
 TEST_CACHE = {
     "default": {
-        "BACKEND": "django.core.cache.backends.dummy.DummyCache",
+        "BACKEND": "tacticalrmm.cache.TacticalDummyCache",
     }
 }