Run binary builder integration specs in isolation
Run binary builder integration specs in isolation

For reasons that aren't clear at the moment, PHP and PHP+Oracle tests
are interfering with each other on Concourse. We can't recreate this
behaviour locally or by `fly`ing into failed tasks.

This patch uses a bit of a hack to force every integration spec to run
in its own container. This prevents PHP from interfering with
PHP+Oracle.

[#128038243]

Signed-off-by: Jacques Chester <8f1e729cbc4d489c19883827c4c21d9fbbde0732@pivotal.io>

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