anchor.diff:  ~~~~~~~~
   
   For the tests to actually be run there needs to be a running test
  -suite. (But see also <<runner>>.) We can create one especially for this test like so...
  +suite. (But see also <<runner, Automatic Test Discovery>>.) We can
  +create one especially for this test like so...
   
   [source,c]
   -----------------------------
  
positive.code: talk to IDE plug-ins, paint pretty printed documents or just return a boolean
  for monitoring purposes.
  
  [[runner]]
  
  Automatic Test Discovery
  ------------------------
  
negative.code: Setup, Teardown and custom reporters
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  If you need setup and teardown functions with the runner you need to
  go to the BDD style using 'BeforeEach()' and 'AfterEach()' as
  described in <<changing_style, Changing Style>> above.
  
  Neither is it possible to use custom reporters as outlined in the
  previous chapter.
  