     matcher = @_obj
     currentUrl = casper.getCurrentUrl()
     @assert _matches(matcher, currentUrl),
-      'expected url #{currentUrl} to match #{this}, but it did not',
-      'expected url #{currentUrl} to not match #{this}, but it did'
+      "expected url #{currentUrl} to match #{this}, but it did not",
+      "expected url #{currentUrl} to not match #{this}, but it did"
 
   ###
     @@@@ tagName

  _addProperty 'inDOM', () ->
    selector = @_obj
    @assert casper.exists(selector),
        'expected selector #{this} to be in the DOM, but it was not',
        'expected selector #{this} to not be in the DOM, but it was'

  ###
    @@@@ loaded

    ```
  ###
  _addProperty 'loaded', ->
    @assert casper.resourceExists(@_obj),
        "expected resource #{@_obj} to exist, but it does not",
        "expected resource #{@_obj} to not exist, but it does"

  ###
    @@@@ matchOnRemote
