Neos\Flow\Tests\Functional\Persistence\PersistenceTest::getFirstShouldNotHaveSideEffects PHP Method

    public function getFirstShouldNotHaveSideEffects()
    {
        $this->removeExampleEntities();
        $this->insertExampleEntity('Flow');
        $this->insertExampleEntity('Neos');
        $allResults = $this->testEntityRepository->findAll();
        $this->assertEquals('Flow', $allResults->getFirst()->getName());
        $numberOfTotalResults = count($allResults->toArray());
        $this->assertEquals(2, $numberOfTotalResults);
    }