diff --git a/testapp/tests.py b/testapp/tests.py
index 79b6e19..c6f3ea5 100644
--- a/testapp/tests.py
+++ b/testapp/tests.py
@@ -4,6 +4,10 @@
 from .models import TestModel
 
 
+def clear_contenttype_cache():
+    print("Clearing content type cache...")
+    ContentType.objects.clear_cache()
+
 class ContentTypeCacheTestCase(ChannelsLiveServerTestCase):
     """
     Test case that demonstrates ContentType caching behavior using ChannelsLiveServerTestCase.
@@ -11,17 +15,13 @@ class ContentTypeCacheTestCase(ChannelsLiveServerTestCase):
     This test case includes two tests that both hit the same view endpoint
     which tests ContentType.get_for_model() behavior before and after clearing the cache.
     """
-
-    @classmethod
-    def setUpClass(cls):
-        super().setUpClass()
+    commands = {
+        "clear_contenttype_cache": clear_contenttype_cache
+    }
 
     def setUp(self):
-        """Set up before each test."""
-        # Clear the cache before each test to ensure clean state
-        ContentType.objects.clear_cache()
-        self.addCleanup(ContentType.objects.clear_cache)
         super().setUp()
+        self.run_server_command("clear_contenttype_cache")
 
     def test_contenttype_cache_first(self):
         """