diff --git a/core/tests/Drupal/Tests/Core/Authentication/AuthenticationCollectorTest.php b/core/tests/Drupal/Tests/Core/Authentication/AuthenticationCollectorTest.php
index 2fb3a26..48e9938 100644
--- a/core/tests/Drupal/Tests/Core/Authentication/AuthenticationCollectorTest.php
+++ b/core/tests/Drupal/Tests/Core/Authentication/AuthenticationCollectorTest.php
@@ -30,20 +30,21 @@ public function testAuthenticationCollector() {
     $providers = [];
     $global = [];
     $authentication_collector = new AuthenticationCollector();
-    for ($i = 0; $i < 10; $i++) {
+    $priorities = [2, 0, -8, 10, 1, 3, -5, 6, -10, -4];
+    foreach ($priorities as $priority) {
       $provider_id = $this->randomMachineName();
-      $priority = rand(-100, 100);
       $provider = new TestAuthenticationProvider($provider_id);
-      $providers[$priority] = $provider;
+      $providers[] = $provider;
       $global[$provider_id] = rand(0, 1) > 0.5;
       $authentication_collector->addProvider($provider, $provider_id, $priority, $global[$provider_id]);
     }
     // Sort the $providers array by priority (highest number is lowest priority)
     // and compare with AuthenticationCollector::getSortedProviders().
-    krsort($providers);
-    $this->assertEquals(array_values($providers), array_values($authentication_collector->getSortedProviders()));
+    array_multisort($priorities, SORT_DESC, $providers);
+    $this->assertEquals($providers, array_values($authentication_collector->getSortedProviders()));
 
-    // Test AuthenticationCollector::getProvider() and AuthenticationCollector::isGlobal().
+    // Test AuthenticationCollector::getProvider() and
+    // AuthenticationCollector::isGlobal().
     foreach ($providers as $provider) {
       $this->assertEquals($provider, $authentication_collector->getProvider($provider->providerId));
       $this->assertEquals($global[$provider->providerId], $authentication_collector->isGlobal($provider->providerId));