test(): Convert Animation tests to jest (#9892)

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## [next]
 
+- test(): Convert Animation tests to jest [#9892](https://github.com/fabricjs/fabric.js/pull/9892)
 - perf(ObjectGeometry): replace cache key string with array [#9887](https://github.com/fabricjs/fabric.js/pull/9887)
 - docs(): Improve JSDOCs for BlendImage [#9876](https://github.com/fabricjs/fabric.js/pull/9876)
 - fix(Group): Pass down the abort signal from group to objects [#9890](https://github.com/fabricjs/fabric.js/pull/9890)

jest.config.js

@@ -70,7 +70,7 @@ module.exports = {
   // globals: {},
 
   // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
-  // maxWorkers: "50%",
+  maxWorkers: '75%',
 
   // An array of directory names to be searched recursively up from the requiring module's location
   // moduleDirectories: [

src/shapes/Object/AnimatableObject.ts

@@ -56,16 +56,14 @@ export abstract class AnimatableObject<
     const propIsColor = (
       this.constructor as typeof AnimatableObject
     ).colorProperties.includes(path[path.length - 1]);
-    const { easing, duration, abort, startValue, onChange, onComplete } =
-      options;
+    const { abort, startValue, onChange, onComplete } = options;
     const animationOptions = {
+      ...options,
       target: this,
       // path.reduce... is the current value in case start value isn't provided
       startValue:
         startValue ?? path.reduce((deep: any, key) => deep[key], this),
       endValue,
-      easing,
-      duration,
       abort: abort?.bind(this),
       onChange: (
         value: number | number[] | string,