Fix typo in test_wiring_show_invisible_operator_with_connections
Fix typo in test_wiring_show_invisible_operator_with_connections

Signed-off-by: Álvaro Arranz <3a7352a9ec78d7d17a9240a830621a1f159ca041@conwet.com>

jpajuelo/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud