tests: shorten test descriptions to fit in 80 columns

While not critical to functionality, it is easier to see the pass/fail
status of each test if they are not wrapped onto the next line.
Shorten test descriptions so the name+description fit in 80 columns.

Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
35 files changed