public function testDateWithPrePersist()
 {
     // Given
     $user = new BaseUser();
     $today = new \DateTime();
     // When
     $user->prePersist();
     // Then
     $this->assertTrue($user->getCreatedAt() instanceof \DateTime, 'Should contain a DateTime object');
     $this->assertEquals($today->format('Y-m-d'), $user->getUpdatedAt()->format('Y-m-d'), 'Should be created today');
     $this->assertTrue($user->getUpdatedAt() instanceof \DateTime, 'Should contain a DateTime object');
     $this->assertEquals($today->format('Y-m-d'), $user->getUpdatedAt()->format('Y-m-d'), 'Should be updated today');
 }