fix: don't patch esm loading in tests unconditionally

Author: raphael-theriault-swi

ts-node.js

@@ -2,4 +2,8 @@ const { register } = require('module');
 const { pathToFileURL } = require('url');
 
 require('ts-node/register');
-register('ts-node/esm', pathToFileURL(__filename));
+
+const shouldPatchEsm = process.execArgv.every(arg => !arg.includes('loader'));
+if (shouldPatchEsm) {
+  register('ts-node/esm', pathToFileURL(__filename));
+}