diff --git a/atdb/docs/ATDB-LDV - Deployment Diagram.png b/atdb/docs/ATDB-LDV - Deployment Diagram.png
index fdd601825814d34169120960eb530ba8bc738693..04c3f179adecc17fdd11e7994051a736a6cf85c3 100644
Binary files a/atdb/docs/ATDB-LDV - Deployment Diagram.png and b/atdb/docs/ATDB-LDV - Deployment Diagram.png differ
diff --git a/atdb/taskdatabase/tests.py b/atdb/taskdatabase/tests.py
index 7ce503c2dd97ba78597f6ff6e4393132753573f6..7613b224555e4f8ed6dcec659783a57fd0ecab79 100644
--- a/atdb/taskdatabase/tests.py
+++ b/atdb/taskdatabase/tests.py
@@ -1,3 +1,18 @@
 from django.test import TestCase
+from rest_framework.test import APIClient
 
+from .models import Task
 # Create your tests here.
+# test creating a task
+
+class CreateTaskTestCase(TestCase):
+    def setUp(self):
+        Task.objects.create(
+            filter="ldv-spec:529",
+            project="lc0_012",
+            sas_id="86578",
+            workflow=16,
+            inputs=[{"type": "File","location": "srm.grid.sara.nl","size": 100,"checksum": "","surl": "srm://srm.grid.sara.nl:8443/pnfs/grid.sara.nl/data/lofar/ops/projects/lt10_010/774619/L774619_SB014_uv.MS_62d7c0df.tar"}],
+            size_to_process=200,
+
+)
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