mariadb-client-test(1) on Linux
The text 77a8385578d1, as Debian 11 (Bullseye) shipped it.
test client API (mysql_client_test is now a symlink to mariadb-client-test) mariadb-client-test-embedded - test client API for embedded server (mysql_client_test_embedded is now a symlink to mariadb-client-test-embedded)