Repeated execution of features/options/contract/edge-weight-updates-over-factor.feature will cause https://travis-ci.org/Project-OSRM/osrm-backend/jobs/233362124#L2296 as the test will modify the .geometry file in-place.
This will cause the check to fail since the old value is already the high value.