* Refactor testcase code -- create_quickvote_fails assertion -- was using same block...

* Refactor testcase code -- create_quickvote_fails assertion -- was using same block of code repetivitely

Add more testcases for improper data
  * Passing in a nil ElectionStruct to quickvotes
  * Passing in only nil {name, description, candidates}
  * Passing in whitespace for name, description, candidates
  * Passing in duplicate candidates
  * Passing in dirty HTML in description field
    - IMO this may not be a "bug" -- we should rather assert that the view will not be injected with HTML. It may be desirable (a feature) to store HTML-ish text in the database.