diff --git a/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py b/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
index 45412bd7ef08b4c343272f1b8f7cc81656a33099..e5fb81e0839783eb7ec2f8949b64e991b7829a67 100644
--- a/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
+++ b/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
@@ -9,7 +9,7 @@ from tangostationcontrol.test import base
 
 
 
-class TestAttributeTypes(base.TestCase):
+class TestDelays(base.TestCase):
     def test_init(self):
         """
         Fail condition is simply the object creation failing
@@ -33,7 +33,7 @@ class TestAttributeTypes(base.TestCase):
             # compute the delays for an antennas w.r.t. the reference position
 
             # # obtain the direction vector for a specific pointing
-            direction = "SUN", "0deg", "0deg"
+            direction = "J2000", "0deg", "0deg"
 
             # calculate the delays based on the set reference position, the set time and now the set direction and antenna positions.
             pointing = d.measure.direction(*direction)
@@ -47,7 +47,7 @@ class TestAttributeTypes(base.TestCase):
         d = delay_calculator(reference_itrf)
 
         # set the antenna position identical to the reference position
-        antenna_itrf = [reference_itrf]  # CS001LBA, in ITRF2005 epoch 2012.5
+        antenna_itrf = [[reference_itrf[0], reference_itrf[1], reference_itrf[2]]]  # CS001LBA, in ITRF2005 epoch 2012.5
 
         # # set the timestamp to solve for
         timestamp = datetime.datetime(2000, 1, 1, 0, 0, 0)
@@ -61,7 +61,7 @@ class TestAttributeTypes(base.TestCase):
         # calculate the delays based on the set reference position, the set time and now the set direction and antenna positions.
         delays = d.convert(direction, antenna_itrf)
 
-        self.self.assertListEqual(delays == [0.0])
+        self.assertListEqual(delays, [0.0], msg=f"delays = {delays}")
 
     def test_light_second_delay(self):
         """