anchor.diff:    }
   
     test_typedef_codeRange() {
  -    if (!includeInformative) return;
       UnlinkedTypedef type = serializeTypedefText('typedef F();');
       _assertCodeRange(type.codeRange, 0, 12);
     }
   
     test_typedef_documented() {
  -    if (!includeInformative) return;
       String text = '''
   // Extra comment so doc comment offset != 0
   /**
  
positive.code:   }
  
    test_function_documented() {
      if (!includeInformative) return;
      String text = '''
  // Extra comment so doc comment offset != 0
  /**
  
negative.code:   }
  
    test_enum_documented() {
      String text = '''
  // Extra comment so doc comment offset != 0
  /**
  