First attempt at fixing the project for Doctrine ORM 3

Author: Pierstoval

src/ArrayFixture.php

@@ -79,8 +79,12 @@ public function load(ObjectManager $manager): void
     {
         $this->manager = $manager;
 
-        if ($this->manager instanceof EntityManagerInterface && $this->disableLogger()) {
-            $this->manager->getConnection()->getConfiguration()->setSQLLogger(null);
+        if (
+            $this->manager instanceof EntityManagerInterface
+            && $this->disableLogger()
+            && \method_exists($dbConfiguration = $this->manager->getConnection()->getConfiguration(), 'setSQLLogger')
+        ) {
+            $dbConfiguration->setSQLLogger(null);
         }
 
         $objects = $this->getObjects();

tests/ArrayFixtureTest.php

@@ -146,7 +146,7 @@ public function test documents with ids(): void
 
     private function getObjectManager(): ObjectManagerStub
     {
-        $metadata = $this->createMock(ClassMetadataInterface::class);
+        $metadata = $this->createMock(ORMClassMetadata::class);
         $metadata->method('getIdentifierFieldNames')->willReturn(['id']); // Default to "id" since composite are not supported yet.
 
         return new ObjectManagerStub($metadata);