anchor.diff:      ?PERFORMANCE(Config, [
           {parameters, [
               [{name, dirs_num}, {value, 10}, {description, "Number of directorines with single parent."}],
  -            [{name, files_num}, {value, 100}, {description, "Number of files with single parent."}]
  +            [{name, files_num}, {value, 50}, {description, "Number of files with single parent."}]
           ]},
           {description, "Performs multiple file operations on space 2."}
       ]).
  
positive.code:     ?PERFORMANCE(Config, [
          {parameters, [
              [{name, dirs_num}, {value, 10}, {description, "Number of directorines with single parent."}],
              [{name, files_num}, {value, 100}, {description, "Number of files with single parent."}],
              [{name, attempts}, {value, 15}, {description, "Attempts param for assertion macros"}]
          ]},
          {description, "Performs multiple file operations on space 1."}
      ]).
  
negative.code:     ?PERFORMANCE(Config, [
          {parameters, [
              [{name, dirs_num}, {value, 10}, {description, "Number of directorines with single parent."}],
              [{name, files_num}, {value, 50}, {description, "Number of files with single parent."}]
          ]},
          {description, "Performs multiple file operations on space 3."}
      ]).
  