Include a check for the webhook_key related resource url

in the tests for JTs and WFJTs.

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

@@ -50,6 +50,7 @@ class TestJobTemplateSerializerGetRelated():
         'schedules',
         'activity_stream',
         'launch',
+        'webhook_key',
         'notification_templates_started',
         'notification_templates_success',
         'notification_templates_error',

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

@@ -32,6 +32,7 @@ class TestWorkflowJobTemplateSerializerGetRelated():
         'workflow_jobs',
         'launch',
         'workflow_nodes',
+        'webhook_key',
     ])
     def test_get_related(self, mocker, test_get_related, workflow_job_template, related_resource_name):
         test_get_related(WorkflowJobTemplateSerializer,