include extra_credentials data in summary fields for JT/Job detail view

see: https://github.com/ansible/ansible-tower/issues/7521

awx/main/tests/unit/api/serializers/conftest.py

@@ -1,4 +1,4 @@
-
+import mock
 import pytest
 
 
@@ -39,6 +39,7 @@ def get_summary_fields_assert():
 def get_summary_fields_mock_and_run():
     def fn(serializer_class, model_obj):
         serializer = serializer_class()
+        serializer.context['view'] = mock.Mock(kwargs={})
         return serializer.get_summary_fields(model_obj)
     return fn
 

awx/main/tests/unit/api/serializers/test_job_template_serializers.py

@@ -108,6 +108,7 @@ class TestJobTemplateSerializerGetSummaryFields():
         request.user = user
         view = JobTemplateDetail()
         view.request = request
+        view.kwargs = {}
         serializer.context['view'] = view
 
         with mocker.patch("awx.api.serializers.role_summary_fields_generator", return_value='Can eat pie'):