Here is a collection of test results formats from different programs:

• kernelCI
  • see https://api.kernelci.org/schema-test.html
  • and https://api.kernelci.org/collection-test.html
• avacado
  • see http://avocado-framework.readthedocs.io/en/46.0/ResultFormats.html
  • by default, the machine-readable output format for avacado is xunit
• xunit
  • see http://help.catchsoftware.com/display/ET/JUnit+Format
  • and a schema at: https://gist.github.com/erikd/4192748