wireless: T6320: Revert to using default channel in smoketest

test_wireless_hostapd_wpa_config, as it would have implicitly been like
that in the past.

smoketest/scripts/cli/test_interfaces_wireless.py

@@ -238,7 +238,6 @@ def test_wireless_hostapd_wpa_config(self):
         interface = 'wlan1'
         phy = 'phy0'
         ssid = 'ssid'
-        channel = '1'
         wpa_key = 'VyOSVyOSVyOS'
         mode = 'n'
         country = 'de'
@@ -250,7 +249,6 @@ def test_wireless_hostapd_wpa_config(self):
         self.cli_set(self._base_path + [interface, 'physical-device', phy])
         self.cli_set(self._base_path + [interface, 'type', 'access-point'])
         self.cli_set(self._base_path + [interface, 'mode', mode])
-        self.cli_set(self._base_path + [interface, 'channel', channel])
 
         # SSID must be set
         with self.assertRaises(ConfigSessionError):
@@ -290,7 +288,8 @@ def test_wireless_hostapd_wpa_config(self):
 
         # channel
         tmp = get_config_value(interface, 'channel')
-        self.assertEqual(channel, tmp)
+        cli_default = default_value(self._base_path + [interface, 'channel'])
+        self.assertEqual(cli_default, tmp)
 
         # Country code
         tmp = get_config_value(interface, 'country_code')