The long options are easier to grep(1) for in the sources than their
shorter aliases.

containers#1265

Currently, some of the names of the tests were too long, and had
inconsistent and verbose wording.  This made it difficult to look at
them and get a gist of all the scenarios being tested.  The names are
like headings.  They shouldn't be too long, should capture the primary
objective of the test and be consistent in their wording.

containers#1265