Add version to the sandbox director_test.yml.erb
Add version to the sandbox director_test.yml.erb

[#141157747](https://www.pivotaltracker.com/story/show/141157747)

Signed-off-by: Adrian Zankich <06c4bdd5da019c5d30546d0230d625621ed622b0@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh