Update the Helm test to allow for venafi-agent image

Signed-off-by: Richard Wall <[email protected]>

Author: wallrj

deploy/charts/venafi-kubernetes-agent/tests/deployment_test.yaml

@@ -19,7 +19,7 @@ tests:
       # Check is latest is set as tag that it uses that tag
       - equal:
           path: spec.template.spec.containers[0].image
-          value: quay.io/jetstack/preflight:latest
+          value: quay.io/jetstack/venafi-agent:latest
 
   # Check naming works with nameOverride
   - it: Deployment name is set when nameOverride is used