spec: add new files sorting test
spec: add new files sorting test

TEST PLAN:
- code review is enough

Change-Id: I6dd7e38355338a55a94d4f3c2a76fbe658d64d8b
Reviewed-on: https://gerrit.instructure.com/88663
Reviewed-by: Michael Hargiss <59e3fde81b8d9a4f5e0cc016a3c2695591912604@instructure.com>
Reviewed-by: David Tan <6283e310a2278fc51bdc4fb5974f70dd9c3366b9@instructure.com>
Reviewed-by: Heath Hales <8ca81b68c7e2592ac614bd07f22fcc735ca55f93@instructure.com>
Tested-by: Jenkins
QA-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
Product-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>

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