Add a new test: test_wiring_editor_modify_arrow_endpoints
Add a new test: test_wiring_editor_modify_arrow_endpoints

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