diff --git a/apps/establishment/tests.py b/apps/establishment/tests.py
index 43f7547f..d9573191 100644
--- a/apps/establishment/tests.py
+++ b/apps/establishment/tests.py
@@ -65,19 +65,25 @@ class EmployeeTests(BaseTestCase):
         self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
 
 
-class EmailTests(BaseTestCase):
-    def test_email_CRD(self):
-        response = self.client.get('/api/back/establishments/emails/', format='json')
-        self.assertEqual(response.status_code, status.HTTP_200_OK)
-
-        establishment = Establishment.objects.create(
+# Class to test childs
+class ChildTestCase(BaseTestCase):
+    def setUp(self):
+        super().setUp()
+        self.establishment = Establishment.objects.create(
             name="Test establishment",
             establishment_type_id=self.establishment_type.id
         )
 
+
+# Test childs
+class EmailTests(ChildTestCase):
+    def test_email_CRD(self):
+        response = self.client.get('/api/back/establishments/emails/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
         data = {
             'email': "test@test.com",
-            'establishment': establishment.id
+            'establishment': self.establishment.id
         }
 
         response = self.client.post('/api/back/establishments/emails/', data=data)
@@ -90,19 +96,14 @@ class EmailTests(BaseTestCase):
         self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
 
 
-class PhoneTests(BaseTestCase):
+class PhoneTests(ChildTestCase):
     def test_phone_CRD(self):
         response = self.client.get('/api/back/establishments/phones/', format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
-        establishment = Establishment.objects.create(
-            name="Test establishment",
-            establishment_type_id=self.establishment_type.id
-        )
-
         data = {
             'phone': "+79999999999",
-            'establishment': establishment.id
+            'establishment': self.establishment.id
         }
 
         response = self.client.post('/api/back/establishments/phones/', data=data)