Test for processing erroring workflows.

This only tests that we have good information in the message, not whether the message was sent.

tests/test_process_erroring_workflows.py

@@ -0,0 +1,20 @@
+from tests.base_test import BaseTest
+
+from crc import session
+from crc.models.workflow import WorkflowStatus
+from crc.services.workflow_service import WorkflowService
+
+
+class TestErrorWorkflows(BaseTest):
+
+    def test_error_workflows(self):
+
+        workflow_1 = self.create_workflow('random_fact')
+        workflow_1.status = WorkflowStatus.erroring
+        workflow_2 = self.create_workflow('random_fact')
+        workflow_2.status = WorkflowStatus.erroring
+        session.commit()
+        message = WorkflowService().process_erroring_workflows()
+        self.assertIn('There are 2 workflows in an error state.', message)
+        self.assertIn(f'workflow/{workflow_1.id}', message)
+        self.assertIn(f'workflow/{workflow_2.id}', message)