Issue #3035297 by claudiu.cristea, martin107, andypost: Don't use...

Issue #3035297 by claudiu.cristea, martin107, andypost: Don't use drupal_static in AutoIncrementingTestItem

core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldType/AutoIncrementingTestItem.php

@@ -32,8 +32,8 @@ public function preSave() {
    *   The incremented field value.
    */
   private static function getIncrementedFieldValue() {
-    $current_value = &drupal_static(__METHOD__, 0);
-    return ++$current_value;
+    static $cache = 0;
+    return ++$cache;
   }
 
 }