diff --git a/orquesta/tests/unit/conducting/test_workflow_conductor_data_flow.py b/orquesta/tests/unit/conducting/test_workflow_conductor_data_flow.py
index 9eb10083..318038ba 100644
--- a/orquesta/tests/unit/conducting/test_workflow_conductor_data_flow.py
+++ b/orquesta/tests/unit/conducting/test_workflow_conductor_data_flow.py
@@ -25,7 +25,7 @@
 
 class WorkflowConductorDataFlowTest(test_base.WorkflowConductorTest):
 
-    WF_DEF_YAQL = """
+    wf_def_yaql = """
     version: 1.0
 
     description: A basic sequential workflow.
@@ -61,7 +61,7 @@ class WorkflowConductorDataFlowTest(test_base.WorkflowConductorTest):
         action: core.noop
     """
 
-    WF_DEF_JSON = """
+    wf_def_jinja = """
     version: 1.0
 
     description: A basic sequential workflow.
@@ -97,8 +97,8 @@ class WorkflowConductorDataFlowTest(test_base.WorkflowConductorTest):
         action: core.noop
     """
 
-    def _prep_conductor(self, context=None, inputs=None, status=None, wf_def=None):
-        spec = native_specs.WorkflowSpec(wf_def or self.WF_DEF_YAQL)
+    def _prep_conductor(self, wf_def, context=None, inputs=None, status=None):
+        spec = native_specs.WorkflowSpec(wf_def)
         self.assertDictEqual(spec.inspect(), {})
 
         kwargs = {
@@ -135,13 +135,13 @@ def _get_combined_value(self, callstack_depth=0):
     def _assert_data_flow(self, inputs, expected_output):
         # This assert method checks input value would be handled and published
         # as an expected type and value with both YAQL and Jinja expressions.
-        for wf_def in [self.WF_DEF_JSON, self.WF_DEF_YAQL]:
-            conductor = self._prep_conductor(inputs=inputs, status=statuses.RUNNING, wf_def=wf_def)
+        for wf_def in [self.wf_def_jinja, self.wf_def_yaql]:
+            conductor = self._prep_conductor(wf_def, inputs=inputs, status=statuses.RUNNING)
 
             for i in range(1, len(conductor.spec.tasks) + 1):
                 task_name = 'task' + str(i)
-                self.forward_task_statuses(conductor, task_name,
-                                           [statuses.RUNNING, statuses.SUCCEEDED])
+                forward_statuses = [statuses.RUNNING, statuses.SUCCEEDED]
+                self.forward_task_statuses(conductor, task_name, forward_statuses)
 
             # Render workflow output and checkout workflow status and output.
             conductor.render_workflow_output()