Backport #27284 by @lunny Fix #27268 Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Unfortunately #21549 changed the name of Testcases without changing their associated fixture directories. Fix #21854 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>