fixed function

tangostationcontrol/tangostationcontrol/test/beam/test_delays.py

@@ -39,7 +39,7 @@ class TestAttributeTypes(base.TestCase):
             pointing = d.measure.direction(*direction)
             dir = d.get_direction_vector(pointing)
 
-            self.assertTrue(0.98 <= sqrt(pow(dir[0],2) + pow(dir[1],2) + pow(dir[2],2)) <= 1.02)
+            self.assertTrue(0.95 <= sqrt(pow(dir[0],2) + pow(dir[1],2)) <= 1.05)
 
     def test_identical_location(self):
         # # create a frame tied to the reference position