jest-sonar-57

Demonstrating sh33dafi/jest-sonar#57

$ npm i
$ npm run test
$ cat packages/a/coverage/sonar-report.xml
<testExecutions version="1">
  <file path="sum.test.js">
$ cat packages/b/coverage/sonar-report.xml
<testExecutions version="1">
  <file path="sub.test.js">