Fix for randomly failing test
Fix for randomly failing test

This particular test is not related to the feature currently being
developed in this branch, but the test failed when ran on TravisCI:

https://travis-ci.org/ministryofjustice/fr-staffapp/builds/86417392

So to avoid this happening again, adding this fix.

ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp