def METHOD_NAME(lib_martigny):
    """Test address block filter."""
    address = lib_martigny\
        .get('acquisition_settings', {})\
        .get('shipping_informations', {})
    # ensure the fixture define a shipping address with correct data
    assert address and address.get('email') and address.get('phone')
    # test the filter
    tmp_data = address_block(address, 'fre')
    assert address.get('email') in tmp_data
    assert address.get('phone') in tmp_data
    assert 'E-mail:' in tmp_data
    assert 'Email:' in address_block(address, 'eng')
    assert 'Email:' in address_block(address, 'dummy')