[PATCH 0/2] prettify t0303-credential-helpers.sh

Two patches which are not very important, but trivial, so probably safe.

  1/2: set reason for skipping tests
    (Fix an imperfection in test output under prove)
  2/2: resurrect commit message as test documentation
    (Add documentation)

 t/t0303-credential-external.sh |   27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)