Also now permit interactivly running tests without explicitly setting
$srcdir. This now works if we are inside ./tests and fails, as before,
when we are in a different directory.
Detected by shellcheck via CodeFactor.io
changes some of the test commands to use bash functions
includes some small bug fixes to tests where bugs were
previously not seen due to different plumbing.
Those tests were enhanced with the addition of liblogging-stdlog
features. When compiled without it, most of the test will fail.
Skip those.
Signed-off-by: Louis Bouchard <louis.bouchard@canonical.com>
This will mark them as SKIPPED instead of FAILED, making it at least
in theory possible to get 0 FAILED tests even when running as an
unprivileged user.