CommandGroup commandGroup = CommandGroup.FACTORY
.createCommandGroup(getConfig("CompanyEmployeeConfig.xml"));
Command read = commandGroup.getCommand("get companies with employee of the month");
DataObject root = read.executeQuery();
DataObject company = root.getDataObject("COMPANY[1]");
company.setDataObject("company->employee_opposite", null);
assertNull(company.getDataObject("company->employee_opposite"));
//Flush changes