Revert "Temporarily disable unit tests to let the modules build"
Revert "Temporarily disable unit tests to let the modules build"

This reverts commit d1b6c34386415ba415bf5d35add0f81bcdc1070b.

berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud