Add some more tests for submit controller actions - add test placeholders.
Add some more tests for submit controller actions - add test placeholders.

caneruguz/ember-preprints,caneruguz/ember-preprints,baylee-d/ember-preprints,CenterForOpenScience/ember-preprints,laurenrevere/ember-preprints,CenterForOpenScience/ember-preprints,laurenrevere/ember-preprints,baylee-d/ember-preprints