Add association of to-do item with user
Delete fixtures
Get rid of fixtures, start writing user test
Add test 'invalid without a username'
Validate presence of username
Add test for unique username
Install shoulda
Add validation for user's to-do items and uniqueness of username
Add :user factory
Incorporate factories
Merge branch 'not_passing' into testing
Move todo_item factory to test/factories and delete fetaures/support/factories.rb
Add todo_item factory
Add pending to non-passing steps; refactor step 'I have x to-do items' for brevity, better use of factories
Include FactoryGirl::Syntax::Methods
Add association :user
Remove fixture-related code
Remove 'name' definition for brevity
Refactor 'I have x to-do items' test
Remove pending from 'I should not see anyone elses to-do items'