diff --git a/SAS/TMSS/src/tmss/tmssapp/models/specification.py b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
index 6d53547b912316e00dd1df81b0517d15c64795f6..40051c1097bbde00f577c5f584abc9a20f63d72d 100644
--- a/SAS/TMSS/src/tmss/tmssapp/models/specification.py
+++ b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
@@ -350,7 +350,7 @@ class TaskBlueprint(NamedCommon):
         # see comment on Subtask for why this needs to be raw sql
         # todo: alter SQL to work for with task connectors instead of input/output
         return TaskBlueprint.objects.filter(id__in=RawSQL("SELECT predecessor_tb.id FROM tmssapp_taskblueprint as predecessor_tb\n"
-                                                    "INNER JOIN tmssapp_taskrelationdraft as tr_blueprint on tr_blueprint.producer_id = predecessor_tb.id\n"
+                                                    "INNER JOIN tmssapp_taskrelationblueprint as tr_blueprint on tr_blueprint.producer_id = predecessor_tb.id\n"
                                                     "WHERE tr_blueprint.consumer_id = %s", params=[self.id]))
 
 
diff --git a/SAS/TMSS/test/t_tmssapp_specification_django_API.py b/SAS/TMSS/test/t_tmssapp_specification_django_API.py
index de83cda71dc3b4314e22f08bdc37df04fe937b77..8922cb8c4ca8cb7dc95dcca262b879c1dfe6b3ea 100755
--- a/SAS/TMSS/test/t_tmssapp_specification_django_API.py
+++ b/SAS/TMSS/test/t_tmssapp_specification_django_API.py
@@ -404,9 +404,8 @@ class TaskDraftTest(unittest.TestCase):
         task_draft_1:models.TaskDraft = models.TaskDraft.objects.create(**TaskDraft_test_data())
         task_draft_2:models.TaskDraft = models.TaskDraft.objects.create(**TaskDraft_test_data())
 
-        # todo: set up TaskConnectors/TaskRelations
-        #output1 = models.TaskConnector.objects.create(task_draft=task_draft_1)
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_2, producer=output1))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_1,
+                                                                              consumer=task_draft_2))
 
         self.assertEqual(task_draft_1, task_draft_2.predecessors.all()[0])
         self.assertEqual(task_draft_2, task_draft_1.successors.all()[0])
@@ -423,19 +422,16 @@ class TaskDraftTest(unittest.TestCase):
         #      |        |
         # ST2 -          -> ST5 ---> ST6
 
-        # todo: set up TaskConnectors/TaskRelations
-        #output1 = models.TaskDraftOutput.objects.create(task_draft=task_draft_1)
-        #output2 = models.TaskDraftOutput.objects.create(task_draft=task_draft_2)
-        #output3 = models.TaskDraftOutput.objects.create(task_draft=task_draft_3)
-        #output4 = models.TaskDraftOutput.objects.create(task_draft=task_draft_4)
-        #output5 = models.TaskDraftOutput.objects.create(task_draft=task_draft_5)
-        #output6 = models.TaskDraftOutput.objects.create(task_draft=task_draft_6)
-
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_3, producer=output1))
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_3, producer=output2))
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_4, producer=output3))
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_5, producer=output3))
-        #models.TaskDraftInput.objects.create(**TaskDraftInput_test_data(task_draft=task_draft_6, producer=output5))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_1,
+                                                                              consumer=task_draft_3))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_2,
+                                                                              consumer=task_draft_3))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_3,
+                                                                              consumer=task_draft_4))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_3,
+                                                                              consumer=task_draft_5))
+        models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data(producer=task_draft_5,
+                                                                              consumer=task_draft_6))
 
         self.assertEqual(set((task_draft_1, task_draft_2)), set(task_draft_3.predecessors.all()))
         self.assertEqual(set((task_draft_4, task_draft_5)), set(task_draft_3.successors.all()))
@@ -623,9 +619,8 @@ class TaskBlueprintTest(unittest.TestCase):
         task_blueprint_1: models.TaskBlueprint = models.TaskBlueprint.objects.create(**TaskBlueprint_test_data())
         task_blueprint_2: models.TaskBlueprint = models.TaskBlueprint.objects.create(**TaskBlueprint_test_data())
 
-        # todo: set up TaskConnectors/TaskRelations
-        # output1 = models.TaskConnector.objects.create(task_blueprint=task_blueprint_1)
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_2, producer=output1))
+        models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_1,
+                                                                                      consumer=task_blueprint_2))
 
         self.assertEqual(task_blueprint_1, task_blueprint_2.predecessors.all()[0])
         self.assertEqual(task_blueprint_2, task_blueprint_1.successors.all()[0])
@@ -642,19 +637,16 @@ class TaskBlueprintTest(unittest.TestCase):
         #      |        |
         # ST2 -          -> ST5 ---> ST6
 
-        # todo: set up TaskConnectors/TaskRelations
-        # output1 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_1)
-        # output2 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_2)
-        # output3 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_3)
-        # output4 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_4)
-        # output5 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_5)
-        # output6 = models.TaskBlueprintOutput.objects.create(task_blueprint=task_blueprint_6)
-
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_3, producer=output1))
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_3, producer=output2))
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_4, producer=output3))
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_5, producer=output3))
-        # models.TaskBlueprintInput.objects.create(**TaskBlueprintInput_test_data(task_blueprint=task_blueprint_6, producer=output5))
+        models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_1,
+                                                                                      consumer=task_blueprint_3))
+        trb1 = models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_2,
+                                                                                      consumer=task_blueprint_3))
+        models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_3,
+                                                                                      consumer=task_blueprint_4))
+        models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_3,
+                                                                                      consumer=task_blueprint_5))
+        models.TaskRelationBlueprint.objects.create(**TaskRelationBlueprint_test_data(producer=task_blueprint_5,
+                                                                                      consumer=task_blueprint_6))
 
         self.assertEqual(set((task_blueprint_1, task_blueprint_2)), set(task_blueprint_3.predecessors.all()))
         self.assertEqual(set((task_blueprint_4, task_blueprint_5)), set(task_blueprint_3.successors.all()))
diff --git a/SAS/TMSS/test/tmss_test_data_django_models.py b/SAS/TMSS/test/tmss_test_data_django_models.py
index 8a70f7b8335d24119f935ad4f736950af700eafa..ef66868969cf171dbb593ba2d9558f4147ac53d2 100644
--- a/SAS/TMSS/test/tmss_test_data_django_models.py
+++ b/SAS/TMSS/test/tmss_test_data_django_models.py
@@ -165,12 +165,18 @@ def TaskDraft_test_data(name: str="my_task_draft", specifications_template: mode
             "scheduling_unit_draft": models.SchedulingUnitDraft.objects.create(**SchedulingUnitDraft_test_data()),
             "specifications_template": specifications_template }
 
-def TaskRelationDraft_test_data() -> dict:
+def TaskRelationDraft_test_data(producer: models.TaskDraft = None, consumer: models.TaskDraft = None) -> dict:
+    if producer is None:
+        producer = models.TaskDraft.objects.create(**TaskDraft_test_data())
+
+    if consumer is None:
+        consumer = models.TaskDraft.objects.create(**TaskDraft_test_data())
+
     return {"tags": [],
             "selection_doc": {},
             "dataformat": models.Dataformat.objects.get(value='Beamformed'),
-            "producer": models.TaskDraft.objects.create(**TaskDraft_test_data()),
-            "consumer": models.TaskDraft.objects.create(**TaskDraft_test_data()),
+            "producer": producer,
+            "consumer": consumer,
             "input":  models.TaskConnector.objects.create(**TaskConnector_test_data()),
             "output": models.TaskConnector.objects.create(**TaskConnector_test_data()),
             "selection_template": models.TaskRelationSelectionTemplate.objects.create(**TaskRelationSelectionTemplate_test_data())}
@@ -197,16 +203,22 @@ def TaskBlueprint_test_data(name='my_task_blueprint', task_draft: models.TaskDra
             "specifications_template": task_draft.specifications_template,
             "scheduling_unit_blueprint": models.SchedulingUnitBlueprint.objects.create(**SchedulingUnitBlueprint_test_data())}
 
-def TaskRelationBlueprint_test_data() -> dict:
-    return { "tags": [],
+def TaskRelationBlueprint_test_data(producer: models.TaskBlueprint = None, consumer: models.TaskBlueprint = None) -> dict:
+    if producer is None:
+        producer = models.TaskBlueprint.objects.create(**TaskBlueprint_test_data())
+
+    if consumer is None:
+        consumer = models.TaskBlueprint.objects.create(**TaskBlueprint_test_data())
+
+    return {"tags": [],
             "selection_doc": {},
             "dataformat": models.Dataformat.objects.get(value='Beamformed'),
             "input": models.TaskConnector.objects.create(**TaskConnector_test_data()),
             "output": models.TaskConnector.objects.create(**TaskConnector_test_data()),
             "draft": models.TaskRelationDraft.objects.create(**TaskRelationDraft_test_data()),
             "selection_template": models.TaskRelationSelectionTemplate.objects.create(**TaskRelationSelectionTemplate_test_data()),
-            "producer": models.TaskBlueprint.objects.create(**TaskBlueprint_test_data()),
-            "consumer": models.TaskBlueprint.objects.create(**TaskBlueprint_test_data())}
+            "producer": producer,
+            "consumer": consumer}
 
 
 def SubtaskTemplate_test_data(schema: object=None, version:str=None) -> dict: