test: fix flaky Apple Game Center tests

spec/AuthenticationAdapters.spec.js

@@ -1705,6 +1705,7 @@ describe('Apple Game Center Auth adapter', () => {
   const gcenter = require('../lib/Adapters/Auth/gcenter');
   const fs = require('fs');
   const testCert = fs.readFileSync(__dirname + '/support/cert/game_center.pem');
+  const testCert2 = fs.readFileSync(__dirname + '/support/cert/game_center.pem');
 
   it('can load adapter', async () => {
     const options = {
@@ -1756,6 +1757,7 @@ describe('Apple Game Center Auth adapter', () => {
 
   it('validateAuthData invalid signature id', async () => {
     gcenter.cache['https://static.gc.apple.com/public-key/gc-prod-4.cer'] = testCert;
+    gcenter.cache['https://static.gc.apple.com/public-key/gc-prod-6.cer'] = testCert2;
     const { adapter, appIds, providerOptions } = authenticationLoader.loadAuthAdapter(
       'gcenter',
       {}
@@ -1867,7 +1869,7 @@ describe('Apple Game Center Auth adapter', () => {
     );
 
     const duration = new Date().getTime() - previous.getTime();
-    expect(duration).toEqual(0);
+    expect(duration <= 1).toBe(true);
   });
 
   it('adapter should throw', async () => {

spec/support/cert/game_center_2.pem

@@ -0,0 +1,42 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----