Print a line like "succeeded: 35 failed: 11 skipped: 2" below the list of test
results. Adds further attributes to <previous-results> to communicate also the
previous statistics.
When doing the libc_getenv test on autopilot+foc+x86 and one of the
subsequent tests crashes the system so it gets rebooted by the run
script, the system doesn't come up again. It gets stuck after core
initialization.
Issue #3027