anchor.diff:  
   ```
   [geb]
  +....
   $("input", name: "q").value("asciidoctor")
   waitFor(5){true}
  +....
   ```
   
   ```
  
positive.code: 
  ```
  [geb, dimension=iphone5]
  $("h3.r a").click()
  ```
  
  ```
  
negative.code: 
  ```
  [geb]
  ....
  go "http://google.com"
  $("input", name: "q").value("asciidoctor")
  waitFor(5){true}
  ....
  ```
  == Parameters
  
  