Modified test method to write data in to the test app to use a temp file and move that.
Modified test method to write data in to the test app to use a temp file and move that.

This avoids issues with data files not being updated before the test is run

PR: https://github.com/helix-collective/camus/pull/29

helix-collective/camus,helix-collective/camus,helix-collective/camus,barryskal/camus,barryskal/camus,barryskal/camus