Fix flakey test
Fix flakey test

Previously, we created a symlink with the same name in multiple tests. When the tests run in parallel, they can step on each others toes'.

[#161489364]

Signed-off-by: Will Murphy <a0e419adf8e2224ae039ba5f1877fb7f62d300e5@pivotal.io>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli