Fix `test/helper` requiring `test/suppport/factory` (with 3 p's)

This fixes a type in the `test/helper` template where it requires
`test/support/factory`. It previously used `suppport` (3 p's)
instead of `support`. This fixes the typo so it won't fail when
requiring the `test/helper`.
Merge pull request #11 from redding/jcr-fix-test-helper

Fix `test/helper` requiring `test/suppport/factory` (with 3 p's)