available=$(find "$TEST_DIRECTORY" -maxdepth 1 -type f -perm +111 \
! -name aggregate-results.sh \
! -name arg-test \
+ ! -name hex-xcode \
! -name notmuch-test \
! -name parse-time \
+ ! -name random-corpus \
! -name smtp-dummy \
! -name symbol-test \
! -name test-verbose \