diff --git a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_account_deletion.py b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_account_deletion.py
index e97d242a235..197e9cf6aa5 100644
--- a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_account_deletion.py
+++ b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_account_deletion.py
@@ -6,6 +6,7 @@
 import pytest
 from social_django.models import UserSocialAuth
 
+from django.db.models.signals import post_save
 from django.urls import reverse
 from django.contrib.auth import get_user_model
 from rest_framework.test import APITestCase
@@ -64,7 +65,7 @@ def deactivate_user(self, color, username=None):
         })
         return response
 
-    @patch('tahoe_idp.receivers.user_sync_to_idp')  # no-op
+    @patch('tahoe_idp.receivers.user_sync_to_idp')
     @patch('tahoe_idp.api.get_tahoe_idp_id_by_user')
     @patch('tahoe_idp.api.deactivate_user')
     @patch.dict('django.conf.settings.FEATURES', {'ENABLE_TAHOE_IDP': True})
@@ -77,6 +78,10 @@ def test_disallow_email_reuse_after_deactivate(
         social_auth_uid = 'e1ede4d8-f6f6-11ec-9eb7-f778f1c67e22'
         mock_get_tahoe_idp_id_by_user.return_value = social_auth_uid
 
+        # mock out receivers which rely on a real Tenant Id
+        post_save.connect(mock_user_sync_to_idp, sender=User, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+        post_save.connect(mock_user_sync_to_idp, sender=UserProfile, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+
         with with_organization_context(site_color=self.RED):
             register_res = self.register_user(self.RED)
             assert register_res.status_code == status.HTTP_200_OK, register_res.content.decode('utf-8')
diff --git a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_reset_password.py b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_reset_password.py
index 54481de702f..4a0593a0363 100644
--- a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_reset_password.py
+++ b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_idp_reset_password.py
@@ -6,6 +6,7 @@
 
 from django.conf import settings
 from django.core import mail
+from django.db.models.signals import post_save
 from django.test import RequestFactory, TestCase
 from unittest.mock import Mock, patch
 from openedx.core.djangoapps.user_authn.views.password_reset import password_reset
@@ -42,6 +43,11 @@ def test_reset_password_with_tahoe_idp(self, mock_request_password_reset, mock_u
         req.site = Mock(domain='example.com')
         req.user = user
 
+        # mock out receivers which rely on a real Tenant Id
+        post_save.connect(mock_user_sync_to_idp, sender=User, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+        post_save.connect(mock_user_sync_to_idp, sender=UserProfile, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+
+
         with patch.dict(settings.FEATURES, {'ENABLE_TAHOE_IDP': enable_tahoe_idp}):
             with patch('crum.get_current_request', return_value=req):
                 response = password_reset(req)
diff --git a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_registration_api.py b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_registration_api.py
index b41f19c4580..40358b17632 100644
--- a/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_registration_api.py
+++ b/openedx/core/djangoapps/appsembler/tahoe_idp/tests/test_tahoe_registration_api.py
@@ -4,6 +4,7 @@
 import ddt
 from mock import patch
 
+from django.db.models.signals import post_save
 from django.urls import reverse_lazy
 from rest_framework import status
 from rest_framework.test import APITestCase
@@ -61,6 +62,10 @@ def test_api_wit_tahoe_idp(self, mock_user_sync_to_idp, url):
         """
         Both v1 and v2 API shouldn't work with Tahoe IdP.
         """
+
+        post_save.connect(mock_user_sync_to_idp, sender=User, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+        post_save.connect(mock_user_sync_to_idp, sender=UserProfile, dispatch_uid='tahoe_idp.receivers.user_sync_to_idp')
+
         color1 = 'red1'
         with with_organization_context(site_color=color1):
             response = self.register_user(url, 'red_learner')