Updates translate spec search term

- Search term “find” is now being translated to “Encuentre,” not
“Encontrar.” This commit updates the translate spec to search for
“Encuentre.“
Merge pull request #702 from codeforamerica/update-tests

Updates translate spec search term
Fixes #686 - makes short desc optional

- Fixes #686 - short description was assumed to be present, however, it
is no longer necessarily present. This commit makes the short
description partial content only present when `short_desc` has a value.
- Updates test to check for updated text in translate spec.