Don't run route-registrar unit tests
Don't run route-registrar unit tests

- They are not exit-on-fail and we don't maintain route-registrar, so we
shouldn't have to test it locally or in CI

Signed-off-by: Andrew Crump <bad96bc28586e95c5d7da81c13d926ea5028b22f@pivotal.io>

cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release