Fix caching test

spotseeker_server/test/spot_caching.py

-from django.test import TestCase
+from django.test import TestCase, override_settings
 from django.core.cache import cache
 from spotseeker_server.models import Spot
 
 
+@override_settings(CACHES={'default':{'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}})
 class SpotCacheTest(TestCase):
 
     def test_spot_caching(self):