tests: fix false failure with dash or ksh

* tests/misc/read-errors.sh: Avoid dash or ksh as they
do _not_ print an error message upon EIO from read.
Fixes https://bugs.gnu.org/80353

diff --git a/tests/misc/read-errors.sh b/tests/misc/read-errors.sh
index c05516505b1d406e151667aea7524b5405aed112..1e2bd6f027db2529352ab97c1b131d696d1c3050 100755 (executable)
--- a/tests/misc/read-errors.sh
+++ b/tests/misc/read-errors.sh
@@ -17,6 +17,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+require_bash_as_SHELL_
 uses_strace_
 
 ! cat . >/dev/null 2>&1 || skip_ "Need unreadable directories"