Admin interface unit testing

We need to unit test all of our components, actions, reducers, etc. in the admin interface so we can safely go in and refactor them.

To test a component take a look at one of the existing tests (like the <Brand /> one), copy the basic structure and test every way the code of a component could go!

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Status report (possibly not all components listed, bold ones are hard):

• Signin/
  • Signin
  • components/
    • Alert
    • Brand
    • LoginForm
    • UserInfo
• App/
  • store.js
  • App
  • shared/
    • AlertMessages
    • ConfirmationDialog
    • CreateForm
    • FlashMessage
    • FlashMessages
    • InvalidFieldType
    • Portal
    • Popout/
      • Popout
      • PopoutBody
      • PopoutFooter
      • PopoutHeader
      • PopoutList
      • PopoutListHeading
      • PopoutListItem
      • PopoutPane
  • components/
    • Footer
    • Navigation/
      • Mobile/
        • MobileNavigation (window.innerWidth?)
        • MobileListItem
        • MobileSectionItem
      • Primary
        • PrimaryNavigation (window.innerWidth?)
        • PrimaryNavItem
      • Secondary
        • SecondaryNavigation (window.innerWidth?)
        • SecondaryNavItem
  • screens/
    • Home/
      • components/
        • ListTile
      • actions.js
      • reducer.js
      • Home
    • Item/
      • components/
        • Toolbar/
          • Toolbar
          • ToolbarSection
        • AltText
        • EditForm (FieldTypes?)
        • EditFormHeader
        • FooterBar
        • FormHeading
        • RelatedItemList
      • actions.js
      • reducer.js
      • Item
    • List/
      • actions/
        • active
        • dragdrop
        • actions
        • item
      • components/
        • Filtering/
        • ItemsTable/
        • ListColumnsForm
        • ListControl
        • ListDownloadForm
        • ListSort
        • UpdateForm
      • reducers/
        • active
        • main #(Keystone.lists?)
      • List