Re-add test output
Re-add test output

While reviewing the last commit from Stefan, I removed one of the
features he had added thinking it had been added by mistake.
I was wrong at the time.
Passing -t to xargs helps to identify the output of each of the failing
tests.

Signed-off-by: Tulio Magno Quites Machado Filho <0e1b3d0765ee75ed64fa2e34822e4949a70a1429@linux.ibm.com>

gftg85/libdfp,gftg85/libdfp,gftg85/libdfp,gftg85/libdfp