chore: simplify bundle test

Author: nikku

test/integration/bundle.spec.cjs

@@ -1,12 +1,12 @@
 const { camundaBuiltins } = require('@camunda/feel-builtins');
 
+const { expect } = require('chai');
+
 
 describe('integration - bundle', function() {
 
   it('should export CJS export', async function() {
 
-    const { expect } = await import('chai');
-
     // then
     expect(camundaBuiltins).not.to.be.empty;
   });