fix: unit test cases

Author: aman19K

packages/contentstack-auth/test/run.test.ts

@@ -1,5 +1,6 @@
-import { join, resolve } from "path";
+import { join, resolve, dirname } from "path";
 import { existsSync, readdirSync, readFileSync } from "fs";
+import { fileURLToPath } from "url";
 import filter from "lodash/filter.js";
 import forEach from "lodash/forEach.js";
 import isEmpty from "lodash/isEmpty.js";
@@ -10,7 +11,9 @@ import dotenv from 'dotenv';
 // NOTE init env variables
 dotenv.config();
 
-// __filename and __dirname are already available in CommonJS mode
+// ES module equivalent of __dirname
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
 
 const config = JSON.parse(readFileSync(join(__dirname, "config.json"), "utf-8"));
 const { IS_TS, UNIT_EXECUTION_ORDER, INTEGRATION_EXECUTION_ORDER } = config;
@@ -74,4 +77,4 @@ if (includes(args, '--integration-test')) {
   run(INTEGRATION_EXECUTION_ORDER);
 } else if (includes(args, '--unit-test')) {
   // run(UNIT_EXECUTION_ORDER, false);
-}
+}