Fixed broken `\yiiunit\extensions\authclient\OpenIdConnectTest::testD…

…iscoverConfigCache()` InvalidResponseException test.

tests/OpenIdConnectTest.php

@@ -60,7 +60,7 @@ public function testDiscoverConfigCache()
         $this->assertEquals($cachedConfigParams, $authClient->getConfigParams());
 
         $authClient = new OpenIdConnect([
-            'issuerUrl' => 'https://invalid-url.com',
+            'issuerUrl' => 'https://yiiframework.com', // Should be a domain that returns an error for the /.well-known/openid-configuration endpoint
             'id' => 'foo',
             'cache' => $cache,
         ]);