teaminsight/assert — pull request #95 by kellyredding (2012-06-29 16:31:51+00:00)
Title: file_exists assertion helpers

This addd `assert_file_exists`, `assert_not_file_exists`, and
`refute_file_exists` assertion helpers. Pass a file path to the
helpers and they will test whether it exists or not.

Fixes #85.