For a build we are running, the test failures don't show up in the test trend
chart. There is no entry for any failed build. I suppose that makes sense for
some failures, but when the only failure I can see is with test results, it
seems like it should appear. (This seems flagrant, so I wonder if I'm just doing
something wrong.)

This is a build for a Maven project, but it's set up manually rather than using
the Maven integration (which didn't seem to actually do anything - but I haven't
paid close enough attention to know how to write up a report on that).