fix(tests): Refactored test setup for consistency and isolated config initialization.

test/test.apiclient.ts

@@ -33,7 +33,7 @@ tap.preTask('should create a new machine user for testing', async () => {
 tap.test('should create a new cloudlyApiClient', async () => {
   testClient = new cloudlyApiClient.CloudlyApiClient({
     registerAs: 'api',
-    cloudlyUrl: `http://localhost:${await helpers.getEnvVarOnDemand('SERVEZONE_PORT')}`,
+    cloudlyUrl: `http://localhost:${helpers.testCloudlyConfig.publicPort}`,
   });
   await testClient.start();
   expect(testClient).toBeTruthy();