ivity');

animation_test({
  syntax: "<color>",
  inherits: false,
  initialValue: "rgb(100, 100, 100)"
}, {
  composite: "add",
  keyframes: "rgb(150, 150, 150)",
  expected: "rgb(175, 175, 175)"
}, 'Animating a custom property of type <color> with a single keyframe and additivity');

animation_test({
  syntax: "<color>",
  inherits: false,
  initialValue: "black"
}, {
  iterationComposite: "accumulate",
  keyframes: ["rgb(0, 0, 0)", "rgb(100, 100, 100)"],
  expected: "rgb(250, 250, 250)"
}, 'Animating a c