Make ERB template filenames more realistic in unit test
Make ERB template filenames more realistic in unit test

Before:

* `template.txt.erb20150610-39547-1konr0c`

After:

* `template_20150610-39411-2d1fxqa_title.txt.erb`
* `template_20150610-39412-1c4ambb_body.txt.erb`

stwalsh/smart-answers,tadast/smart-answers,aledelcueto/smart-answers,aledelcueto/smart-answers,stwalsh/smart-answers,tadast/smart-answers,askl56/smart-answers,alphagov/smart-answers,askl56/smart-answers,tadast/smart-answers,aledelcueto/smart-answers,alphagov/smart-answers,alphagov/smart-answers,askl56/smart-answers,alphagov/smart-answers,aledelcueto/smart-answers,tadast/smart-answers,askl56/smart-answers,stwalsh/smart-answers,stwalsh/smart-answers