Fix wait to end of standstill periond in contract test
Fix wait to end of standstill periond in contract test

Rzaporozhets/robot_tests,bubanoid/robot_tests,selurvedu/robot_tests,openprocurement/robot_tests,VadimShurhal/robot_tests.broker.aps,cleardevice/robot_tests,kosaniak/robot_tests,mykhaly/robot_tests,SlaOne/robot_tests