code coverage not working
It seems that even though code coverage flag is used, it's not functioning right (excerpt from pipeline):
$ vendor/bin/phpunit --configuration phpunit_mysql.xml --coverage-text
PHPUnit 5.0.9 by Sebastian Bergmann and contributors.
Error: No code coverage driver is available
... 3 / 3 (100%)
Time: 79 ms, Memory: 4.00Mb
OK (3 tests, 4 assertions)