Fix enable test

basie/tests/test_backend.py

@@ -8,7 +8,7 @@
     import unittest
 import copy
 from io import StringIO
-
+import numpy as np
 from basie.backend import *
 from basie.radiotelescopes import *
 
@@ -30,19 +30,18 @@ def test_roach_backend_bck_file(self):
 
 class TestTotalPowerBackend(unittest.TestCase):
     def setUp(self):
-        self.backend = TotalPowerBackend("TP", 10, 10, 300)
+        self.backend = TotalPowerBackend("TP", 10, 10, 300, feeds="1,2")
 
     def test_total_power_set_sections(self):
         n_sections = 2
         self.backend.set_sections(n_sections)
         self.assertEqual(len(self.backend.sections), n_sections)
-    @pytest.mark.xfail
+
     def test_total_power_set_sections_enable(self):
         self.backend.set_sections(2)
         instructions = StringIO(str(self.backend._get_backend_instructions()))
         lines = instructions.readlines()
-        enable_line = lines[-1].strip()
-        self.assertTrue(enable_line.startswith("enable"))
+        self.assertTrue(np.any(["enable=1,2" in line for line in lines]))
 
     def test_set_addition(self):
         # https://github.com/discos/basie/issues/28