tests: Reduce number of iterations in queue test
Unless -m thorough
is passed to the tests, reduce the number of
iterations in the random test.
This one test case takes the bulk of the time to run the queue
test
suite, and is sometimes causing timeouts when running on CI
(particularly under valgrind). Reduce it to a fifth.
Signed-off-by: Philip Withnall pwithnall@endlessos.org