anchor.diff:  (**
   Assertions
   ========================
  +*)
   
  -on 
  +(**
  +on
   --
   Assert that the browser is currently on a url (uses `String.Contains`).
   *)
  
positive.code: "#lastName" =~ "Gr[ae]y"
  
  (**
  *~ (one of many regex match) 
  ----------------------------
  Assert that one of many element `regex` matches a value. 
  *)
  "#colors li" *~ "gr[ea]y" 
  
  (**
  displayed 
  ---------
  Assert that an element is displayed on the screen. 
  *)
  displayed "#modal"
  
  (**
  notDisplayed 
  ------------
  Assert that an element is not displayed on the screen. 
  *)
  notDisplayed "#modal"
negative.code: (*** hide ***)
  // This block of code is omitted in the generated HTML documentation. Use
  // it to define helpers that you do not want to show in the documentation.
  #I "../../bin"
  #r "canopy.dll"
  