Fixes tests of smartctl plugins

The function `_list_disks` is now `_list_devices`.

Signed-off-by: Guillaume <[email protected]>

tests/test_smartctl.py

@@ -79,25 +79,25 @@
 }"""
 
 @mock.patch("smartctl.run_command", autospec=True)
-@mock.patch("smartctl._list_disks", autospec=True)
+@mock.patch("smartctl._list_devices", autospec=True)
 class TestSmartctl:
-    def test_smartctl_error(self, _list_disks, run_command, fs):
-        _list_disks.side_effect = Exception("Error!")
+    def test_smartctl_error(self, _list_devices, run_command, fs):
+        _list_devices.side_effect = Exception("Error!")
 
         with pytest.raises(XenAPIPlugin.Failure) as e:
             get_health(None, None)
         assert e.value.params[0] == '-1'
         assert e.value.params[1] == 'Error!'
 
-    def test_smartctl_information(self, _list_disks, run_command, fs):
-        _list_disks.return_value = ["/dev/sda"]
+    def test_smartctl_information(self, _list_devices, run_command, fs):
+        _list_devices.return_value = ["/dev/sda"]
         run_command.return_value = {"stdout": SMARTCTL_INFO}
 
         res = get_information(None, None)
         assert json.loads(res) == json.loads(SMARTCTL_INFO_EXPECTED)
 
-    def test_smartctl_health(self, _list_disks, run_command, fs):
-        _list_disks.return_value = ["/dev/sda"]
+    def test_smartctl_health(self, _list_devices, run_command, fs):
+        _list_devices.return_value = ["/dev/sda"]
         run_command.return_value = {"stdout": SMARTCTL_HEALTH}
 
         res = get_health(None, None)