anchor.diff:        present-element {}
       '''
     });
  -  // testPhases('prunes css based on angular1 annotations in .dart companion', phases, {
  +  // testPhasesAsync('prunes css based on angular1 annotations in .dart companion', phases, {
     //   'a|foo.css': r'''
     //     absent-element {}
     //     present-element {}
  
positive.code:     ''',
    });
  
    testPhases('processes class attributes with mustaches', phases, {
      'a|foo.css': r'''
        .what_1 {}
        .what-2 {}
  
negative.code: 
  void main() {
    group('ScissorsTransformer', () {
    testPhasesAsync('does basic class and element selector pruning', phases, {
      'a|foo.css': r'''
        .used-class {}
        .unused-class {}
  