Adapt code to different exit code in different platforms

Author: rubennorte

e2e/__tests__/fatalWorkerError.test.ts

@@ -38,7 +38,7 @@ test('fails a test that terminates the worker with a fatal error', () => {
   });
 
   const {status, stderr} = runJest(DIR);
-  expect(status).toBe(1);
+  expect(status).not.toBe(0);
   expect(stderr).toContain('FAIL __tests__/fatalWorkerError.test.js');
   expect(stderr).toContain('Call retries were exceeded');
 });