Fix news tests

apps/news/tests.py

@@ -25,20 +25,14 @@ class BaseTestCase(APITestCase):
                                             'refresh_token': tokkens.get('refresh_token')})
         self.test_news_type = NewsType.objects.create(name="Test news type")
 
-        self.lang = Language.objects.create(
+        self.lang = Language.objects.get(
             title='Russia',
             locale='ru-RU'
         )
-        self.lang.save()
 
-        self.country_ru = Country.objects.create(
-            name='{"ru-RU":"Russia"}',
-            code='23',
-            low_price=15,
-            high_price=150000,
+        self.country_ru = Country.objects.get(
+            name={"en-GB": "Russian"}
         )
-        self.country_ru.languages.add(self.lang)
-        self.country_ru.save()
 
         role = Role.objects.create(
             role=Role.CONTENT_PAGE_MANAGER,