diff --git a/tests/test_data_manager.py b/tests/test_data_manager.py
index d57417c323eb4aae334679be5c307cd7df6c8cbc..b0ad193ebe9c8883f5b9b0b63d3639ae7c9588e5 100644
--- a/tests/test_data_manager.py
+++ b/tests/test_data_manager.py
@@ -28,7 +28,7 @@ class TestCsstMsDataManager(unittest.TestCase):
         self.dm_sls.target_detectors = None
 
     def test_mbi_data_existence(self):
-        self.assertTrue(self.dm_mbi.available_detectors == CP["mbi"]["detectors"])
+        self.assertTrue(self.dm_mbi.target_detectors == CP["mbi"]["detectors"])
         self.assertTrue(os.path.exists(self.dm_mbi.l0_detector(6)))
         self.assertTrue(os.path.exists(self.dm_mbi.l0_log(6)))
         self.assertTrue(os.path.exists(self.dm_mbi.l0_cat(6)))
@@ -37,7 +37,7 @@ class TestCsstMsDataManager(unittest.TestCase):
         self.assertTrue(isinstance(self.dm_mbi.l1_file(name="some_file.ext", comment="a demo file"), str))
 
     def test_sls_data_existence(self):
-        self.assertTrue(self.dm_sls.available_detectors == CP["sls"]["detectors"])
+        self.assertTrue(self.dm_sls.target_detectors == CP["sls"]["detectors"])
         self.assertTrue(os.path.exists(self.dm_sls.l0_detector(1)))
         self.assertTrue(os.path.exists(self.dm_sls.l0_log(1)))
         self.assertTrue(os.path.exists(self.dm_sls.l0_cat(1)))