anchor.diff:  
     testWidgets('color is honored when passed in via the TextStyle param',
         (tester) async {
  -    final textStyle = TextStyle(color: Color(0xDEADBEEF));
  -    final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  -
  -    expect(outputTextStyle.color, equals(Color(0xDEADBEEF)));
  +    final textStyle = TextStyle(color: const Color(0xDEADBEEF));
  +    final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  +
  +    expect(outputTextStyle.color, equals(const Color(0xDEADBEEF)));
     });
   
     testWidgets('color is honored when passed in as a top-level param',
         (tester) async {
  -    final outputTextStyle = GoogleFonts.rancho(color: Color(0xFACEFEED));
  -
  -    expect(outputTextStyle.color, equals(Color(0xFACEFEED)));
  +    final outputTextStyle = GoogleFonts.rancho(color: const Color(0xFACEFEED));
  +
  +    expect(outputTextStyle.color, equals(const Color(0xFACEFEED)));
     });
   
     testWidgets(
         'color from the top-level param takes precedence over color '
         'from the TextStyle param', (tester) async {
  -    final textStyle = TextStyle(color: Color(0xDEADBEEF));
  -    final outputTextStyle = GoogleFonts.rancho(
  -      textStyle: textStyle,
  -      color: Color(0xFACEFEED),
  -    );
  -
  -    expect(outputTextStyle.color, Color(0xFACEFEED));
  +    final textStyle = TextStyle(color: const Color(0xDEADBEEF));
  +    final outputTextStyle = GoogleFonts.rancho(
  +      textStyle: textStyle,
  +      color: const Color(0xFACEFEED),
  +    );
  +
  +    expect(outputTextStyle.color, const Color(0xFACEFEED));
     });
   
     testWidgets(
         'backgroundColor is honored when passed in via the TextStyle param',
         (tester) async {
  -    final textStyle = TextStyle(backgroundColor: Color(0xDEADBEEF));
  -    final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  -
  -    expect(outputTextStyle.backgroundColor, equals(Color(0xDEADBEEF)));
  +    final textStyle = TextStyle(backgroundColor: const Color(0xDEADBEEF));
  +    final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  +
  +    expect(outputTextStyle.backgroundColor, equals(const Color(0xDEADBEEF)));
     });
   
     testWidgets('backgroundColor is honored when passed in as a top-level param',
         (tester) async {
       final outputTextStyle =
  -        GoogleFonts.rancho(backgroundColor: Color(0xFACEFEED));
  -
  -    expect(outputTextStyle.backgroundColor, equals(Color(0xFACEFEED)));
  +        GoogleFonts.rancho(backgroundColor: const Color(0xFACEFEED));
  +
  +    expect(outputTextStyle.backgroundColor, equals(const Color(0xFACEFEED)));
     });
   
     testWidgets(
         'backgroundColor from the top-level param takes precedence over '
         'backgroundColor from TextStyle param', (tester) async {
  -    final textStyle = TextStyle(backgroundColor: Color(0xDEADBEEF));
  -    final outputTextStyle = GoogleFonts.rancho(
  -      textStyle: textStyle,
  -      backgroundColor: Color(0xFACEFEED),
  -    );
  -
  -    expect(outputTextStyle.backgroundColor, Color(0xFACEFEED));
  +    final textStyle = TextStyle(backgroundColor: const Color(0xDEADBEEF));
  +    final outputTextStyle = GoogleFonts.rancho(
  +      textStyle: textStyle,
  +      backgroundColor: const Color(0xFACEFEED),
  +    );
  +
  +    expect(outputTextStyle.backgroundColor, const Color(0xFACEFEED));
     });
   
     testWidgets('fontSize is honored when passed in via the TextStyle param',
  
positive.code:   testWidgets(
        'decorationColor is honored when passed in via the TextStyle param',
        (tester) async {
      final textStyle = TextStyle(decorationColor: Color(0xDEADBEEF));
      final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  
      expect(outputTextStyle.decorationColor, Color(0xDEADBEEF));
    });
  
    testWidgets('decorationColor is honored when passed in as a top-level param',
        (tester) async {
      final outputTextStyle = GoogleFonts.rancho(decorationColor: Color(0xFACEFEED));
  
      expect(outputTextStyle.decorationColor, equals(Color(0xFACEFEED)));
    });
  
    testWidgets(
        'decorationColor from the top-level param takes precedence over '
        'decorationColor from the TextStyle param', (tester) async {
      final textStyle = TextStyle(decorationColor: Color(0xDEADBEEF));
      final outputTextStyle = GoogleFonts.rancho(
        textStyle: textStyle,
        decorationColor: Color(0xFACEFEED),
      );
  
      expect(outputTextStyle.decorationColor, equals(Color(0xFACEFEED)));
    });
  
    /////////////////////
  
negative.code: 
    testWidgets('background is honored when passed in via the TextStyle param',
        (tester) async {
      final paint = Paint()..color = const Color(0xDEADBEEF);
      final textStyle = TextStyle(background: paint);
      final outputTextStyle = GoogleFonts.rancho(textStyle: textStyle);
  
  