Refactor step 'I should not see items that have been marked complete' to eliminate second each block
Add step testing whether to-do item instantiated correctly
Change 'the last to-do item' to 'my last to-do item' for clarity
Add test to check values of TodoItem attributes on creation
Define todo_item_params to get all params for new TodoItem on create
Change <h1> to include title of item being edited
Define last step for scenario 'Some tasks are complete'