atc: fix wrappa test
atc: fix wrappa test

concourse/concourse#2875

Signed-off-by: James Cooper <f747c67a215fc6adcbfa7270bb9d30b86ee12cd2@pivotal.io>
Co-authored-by: Jamie Klassen <d740210502544aa0776b92978c6db85774130b86@pivotal.io>

concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse