Describe the bug

ruby-build's tests fail when run with bats 1.11.0-rc1

 24s autopkgtest [19:14:20]: test command1: [-----------------------
 24s /usr/lib/bats-core/preprocessing.bash: line 12: bats-preprocess: command not found
 24s 1..1
 24s not ok 1 bats-gather-tests
 24s # (in test file test/build.bats, line 26)
 24s #   `tarball "$@"' failed with status 127
 25s autopkgtest [19:14:21]: test command1: -----------------------]

https://ci.debian.net/packages/r/ruby-build/unstable/amd64/42695794/

To Reproduce

Steps to reproduce the behavior:

1. Check out https://salsa.debian.org/ruby-team/ruby-build/
2. Run bats tests/

Expected behavior

The tests should run without any internal bats error.

Environment (please complete the following information):

• Bats version: 1.11.0-rc1
• operating system (including version): Debian unstable+experimental
• bash --version: 5.2.21
• Install method: Debian package