Replace all found ReplaceableEvents

In the case of a domain aggregate recording multiple instances of the same ReplaceableEvent, we need to remove ALL found instances of this ReplaceableEvent for the matching aggregateRoot. Otherwise, only one is replaced and the rest remain as duplicate events in the event store.

src/Doctrine/DoctrineEventStore.php

@@ -75,14 +75,14 @@ public function append(DomainEvent $domainEvent): void
 
     public function replace(DomainEvent $domainEvent): void
     {
-        $previous = $this->repository->findOneBy([
+        $replaceableEvents = $this->repository->findBy([
             'aggregateRoot' => $domainEvent->getAggregateRootId(),
             'typeName' => get_class($domainEvent),
             'publishedOn' => null,
         ]);
 
-        if ($previous) {
-            $this->em->remove($previous);
+        foreach ($replaceableEvents as $replaceableEvent) {
+            $this->em->remove($replaceableEvent);
         }
 
         $this->append($domainEvent);