this allows to utilize private Docker registries for the tests that are
pulling images for the database tests.
Signed-off-by: Heikki Hellgren <heikki.hellgren@op.fi>
Some commands currently error, and others are simply formatted inconsistently.
This format seems to work and be the most popular/common,
so I applied it to all similar occurrences.
Signed-off-by: Jan Van Bruggen <JanVB@verily.com>