anchor.diff:  %%%   Cases = atom() | [atom()]
   %%%   Result = [TestResult] | {error,Reason}
   %%%
  -%%% @doc Run the given testcase(s).
  +%%% @doc Run the given test case(s).
   %%%
   %%% <p>Requires that <code>ct:install/1</code> has been run first.</p>
   %%%
  
positive.code: %%% @spec run(TestDirs) -> Result
  %%%   TestDirs = TestDir | [TestDir]
  %%%
  %%% @doc Run all testcases in all suites in the given directories.
  %%% @see run/3.
  run(TestDirs) ->
      ct_run:run(TestDirs).
  
negative.code: %%%      Format = string()
  %%%      Args = list()
  %%%
  %%% @doc Print and log from a test case. 
  %%%
  %%% <p>This function is meant for printing a string from a test case,
  %%% both to the test case log file and to the console.</p>
  %%%
  %%% <p>Default <code>Category</code> is <code>default</code> and
  %%% default <code>Args</code> is <code>[]</code>.</p>
  