27 - composer self-update
28 - composer clear-cache
31 - travis_retry composer update --no-interaction --no-ansi --no-progress --no-suggest --optimize-autoloader --prefer-stable
34 - if [[ "$DRIVER" = 'phpdbg' ]]; then phpdbg -qrr vendor/bin/phpunit --coverage-clover=coverage.xml; fi
35 - if [[ "$DRIVER" = 'xdebug' ]]; then vendor/bin/phpunit --coverage-clover=coverage.xml; fi
38 - bash <(curl -s https://codecov.io/bash)