fix-list-ops-test

review_and_improvement_suggestions_change_to_config_json

refactor-word-search

add-skeleton-files

bugfix/luhn-add-missing-whitespace

feature/update-tests-for-transpose

feature/word-search-adapt-testdata-format-from-canonical-testdata

feature/phone-number-rename-tests-to-match-canonical

feature/add-exercise-isbn-verifier