tests: Add ignore for stdin not terminal

Change-Id: I496a9f3a0156557415d455dd2ca54c92577ca5f5
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17455
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
1 file changed