public function checkMetadata()
{
$this->assertEquals(['string', 'array'], $this->resourceTypeConverter->getSupportedSourceTypes(), 'Source types do not match');
$this->assertEquals(PersistentResource::class, $this->resourceTypeConverter->getSupportedTargetType(), 'Target type does not match');
$this->assertEquals(1, $this->resourceTypeConverter->getPriority(), 'Priority does not match');
}