Due to a current update of Travis, setting up the build environment for unit tests fails.
We follow the suggested workaround for now: https://github.com/travis-ci/travis-ci/issues/8897
but hope to be able to revert to defaults sometimes in the future.
Due to a current update of Travis, setting up the build environment for unit tests fails. We follow the suggested workaround for now: https://github.com/travis-ci/travis-ci/issues/8897 but hope to be able to revert to defaults sometimes in the future.