message: Just cp the xunit file which is needed in promote
diff: @@ -21,6 +21,6 @@ shell.exec(`${istanbulExecutable} report --report html json-summary`);
  let prefix = process.platform;
  shell.mv(`checkstyle.xml`, `${prefix}-checkstyle.xml`);
  -shell.mv(`xunit.xml`, `${prefix}-unit-xunit.xml`);
  +shell.cp(`xunit.xml`, `${prefix}-unit-xunit.xml`);
  shell.rm('-rf', `${prefix}unitcoverage`);
  shell.mv(`coverage`, `${prefix}unitcoverage`);
  \ No newline at end of file
  