Issue #2433595 by chx, Berdir: WebTestBase::refreshVariables only resets...

Issue #2433595 by chx, Berdir: WebTestBase::refreshVariables only resets cache_tags.invalidator.checksum

core/lib/Drupal/Core/Cache/CacheTagsInvalidator.php

@@ -41,6 +41,19 @@ public function invalidateTags(array $tags) {
     }
   }
 
+  /**
+   * Reset statically cached tags in all cache tag checksum services.
+   *
+   * This is only used by tests.
+   */
+  public function resetChecksums() {
+    foreach ($this->invalidators as $invalidator) {
+      if ($invalidator instanceof CacheTagsChecksumInterface) {
+        $invalidator->reset();
+      }
+    }
+  }
+
   /**
    * Adds a cache tags invalidator.
    *

core/modules/simpletest/src/WebTestBase.php

@@ -1192,7 +1192,7 @@ protected function resetAll() {
    */
   protected function refreshVariables() {
     // Clear the tag cache.
-    \Drupal::service('cache_tags.invalidator.checksum')->reset();
+    \Drupal::service('cache_tags.invalidator')->resetChecksums();
     foreach (Cache::getBins() as $backend) {
       if (is_callable(array($backend, 'reset'))) {
         $backend->reset();