Move the tests into their own folder

opentech/apply/factories.py → opentech/apply/tests/factories.py

 from django.forms import Form
 import factory
 
-from .workflow import Stage, Workflow
+from opentech.apply.workflow import Stage, Workflow
 
 
 class StageFactory(factory.Factory):

opentech/apply/tests.py → opentech/apply/tests/test_workflow.py

 from django.test import SimpleTestCase
 from django.forms import Form
 
+from opentech.apply.workflow import Stage, Workflow
+
 from .factories import StageFactory, WorkflowFactory
-from .workflow import Stage, Workflow
 
 
 class TestWorkflowCreation(SimpleTestCase):