etl

12ac8900 - Cleanup runsanitychecks.sh & runtests.sh with shellcheck (#352)

Cleanup runsanitychecks.sh & runtests.sh with shellcheck (#352) * Cleanup runsanitychecks.sh & runtests.sh with shellcheck * Add executable writes on runsanitychecks.sh & runtests.sh for easier use of scripts.