Fix test run in github workflow

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No workies!

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Bats and its dependencies have been installed in jury/test_libs
You can now run the tests using: ./jury/test_libs/bats-core-1.12.0/bin/bats jury
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not ok 1 bats-gather-tests
# bats_load_safe: Could not find '/home/runner/work/bash-screensavers/bash-screensavers/jury/jury/test_libs/bats-support-0.3.0/load.bash'[.bash]
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not ok 1 bats-gather-tests
# bats_load_safe: Could not find '/home/runner/work/bash-screensavers/bash-screensavers/jury/jury/test_libs/bats-support-0.3.0/load.bash'[.bash]
Error: Process completed with exit code 1.