public function testManyToOne_Unidirectional()
 {
     $this->game2sound = new EntityRelation($this->game, $this->sound, EntityRelation::MANY_TO_ONE, EntityRelation::UNIDIRECTIONAL);
     $this->game2sound->setNullable(TRUE);
     $builder = new EntityBuilder('Game', $this->module);
     $builder->createDefaultId();
     $builder->buildRelation($this->game2sound);
     $m2o = $this->assertCommonRelation($builder, 'sound', 'ManyToOne', 'Psc\\Entities\\Sound');
     $this->assertNull($m2o->inversedBy);
 }