tests: actualize the comment in test-hgweb-descend-empties.t
The comment came together with the whole test file and the feature (descend
empty dirs in hgweb) in c21d236ca897, but for some reason wasn't exactly
accurate.
Namely, there isn't e1 directory in the test at all, it obviously should say
d1; and b1 didn't terminate at level 3, but does now.
changeset = '{rev}{tags}{bookmarks}{parents} {node|short} {date|isodate} {author|user}\n {desc|firstline|strip}\n\n'
changeset_quiet = '{rev}:{node|short}\n'
changeset_verbose = '{rev}{tags}{parents} {node|short} {date|isodate} {author}\n {desc|strip}\n\n'
start_tags = '['
tag = '{tag},'
last_tag = '{tag}]'
start_parents = ':'
parent = '{rev},'
last_parent = '{rev}'
start_bookmarks = '['
bookmark = '{bookmark},'
last_bookmark = '{bookmark}]'