Update buildpacks template for Master integration tests
Update buildpacks template for Master integration tests

Handle both rspec and ginkgo (machete vs. cutlass

Signed-off-by: Keaty Gross <ba27100af1ae477f2abedd28f15b1dd208b1f48a@pivotal.io>
Signed-off-by: Dave Goddard <bfcdf3e6ca6cef45543bfbb57509c92aec9a39fb@goddard.id.au>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci