code: function check( input, expected ) {
              const output = Util.replaceDotsWithSlashes( input );
              expect( output ).toBe( expected.split( '/' ).join( Path.sep ) );
          }
docs: Check if the input produces what was expected.
  
  @param   {string} input - File name with full path.
  @param   {string} expected - What was expected.
  @returns {undefined}