tests: Unconditionally enable verbose debugging output from tests
tests: Unconditionally enable verbose debugging output from tests

Since we now require the automake-1.12 parallel test harness, we can
take advantage of the fact that it only outputs tests’ debug spew if
they fail. That means tests can now unconditionally output everything,
which should simplify debugging.

GNOME/folks,pwithnall/folks,pwithnall/folks,GNOME/folks,pwithnall/folks,GNOME/folks