Some systems (like nixos) don't have bash living at `/bin/bash` so using
`/usr/bin/env bash` we can make these scripts universal.
### Pull Request Checklist
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* [X] I have added added tests for PR _or_ I have justified why this PR
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Signed-off-by: `Dov Alperin <git@dov.dev>`
Signed-off-by: `Dov Alperin <git@dov.dev>`
This PR adds the test that matrix-org/sytest#642 will allow to pass to testfile and also contains a minor fix for show-expected-fail-tests.sh so it doesn't show an empty warning.
Signed-off-by: Alex Chen minecnly@gmail.com
