bats_require_minimum_version 1.7.0 bats_load_library bats-support bats_load_library bats-assert @test "osi-extract needs arguments" { LC_ALL=C run --separate-stderr osi-extract assert_failure 2 assert_equal "$output" '' assert [ ${#stderr_lines[@]} -gt 1 ] assert_regex "${stderr_lines[-1]}" "^Try .*osi-extract --help' for more information\$" }