chore(core): Port tests to ESM

packages/core/tests/hooks.test.js

@@ -1,18 +0,0 @@
-let expect = require("chai").expect;
-let freesewing = require("../dist/index.js");
-
-it("Should contain all hooks", () => {
-  let pattern = new freesewing.Pattern();
-  let h = pattern.hooks;
-  let test = {
-    preDraft: [],
-    postDraft: [],
-    postLayout: [],
-    preSample: [],
-    postSample: [],
-    preRender: [],
-    postRender: [],
-    insertText: [],
-  };
-  expect(h).to.eql(test);
-});