`/bin/sh` isn't always an alias of `/bin/bash`, so bash-specific syntax broke the scripts.
(like 777a9ae6e4/scripts/_get-test-directories.sh (L7))
`/bin/sh` isn't always an alias of `/bin/bash`, so bash-specific syntax broke the scripts.
(like 777a9ae6e4/scripts/_get-test-directories.sh (L7))