Revert "fix(test): No esm exports"

This reverts commit c21c026749.

.esbuild/jisonTransformer.cjs

@@ -1,16 +1,14 @@
 const { Generator } = require('jison');
-exports.transformJison = (src, esm = true) => {
+exports.transformJison = (src) => {
   const parser = new Generator(src, {
     moduleType: 'js',
     'token-stack': true,
   });
   const source = parser.generate({ moduleMain: '() => {}' });
-  const exporter = esm
-    ? `
+  const exporter = `
 	parser.parser = parser;
 	export { parser };
 	export default parser;
-	`
-    : '';
+	`;
   return `${source} ${exporter}`;
 };