Explicitly specify phpunit should use phpunit.xml.dist when running full test suite in docker. This makes it clearer what is wrong if the source tree is unavailable inside the container.
Explicitly specify phpunit should use phpunit.xml.dist when running full test suite in docker. This makes it clearer what is wrong if the source tree is unavailable inside the container.

mbaynton/batch-framework,mbaynton/batch-framework