test: try fix test_firmware_upgrades on legacy

[no changelog]

tests/upgrade_tests/test_firmware_upgrades.py

@@ -198,6 +198,8 @@ def test_upgrade_wipe_code(gen: str, tag: str):
 
         # Check that wipe code is set by changing the PIN to it.
         emu.client.use_pin_sequence([PIN, WIPE_CODE, WIPE_CODE])
+        session = Session(emu.client.get_management_session())
+        session.refresh_features()
         with pytest.raises(
             exceptions.TrezorFailure,
             match="The new PIN must be different from your wipe code",