reserve_testbed || die
select_tags || die
compose_pybot_arguments || die
+generate_tests || die
+archive_tests || die
iterations=8
for ((iter=0; iter<iterations; iter++)); do
# TODO: Use less heavy way to avoid apt remove falilures.
+ # Also, reserve_testbed has already called cleanup once.
cleanup_topo
select_build "build_parent" || die
check_download_dir || die