/**
  * @test
  */
 public function testIterator()
 {
     $rules = [BaseAdapter::RULE_TYPE_TO_DATA => ['id']];
     $adapter = new BaseAdapter();
     $adapter->setEntityClass(self::OS_CLASS_NAME);
     $adapter->setRules($rules);
     $fixture = $this->getFixtureEntity();
     $adapter->setInnerIterator(new \ArrayIterator([$fixture, $this->getFixtureEntity()]));
     $i = 0;
     foreach ($adapter as $data) {
         $this->assertEquals(['id' => $fixture->id], (array) $data);
         $i++;
     }
     $this->assertEquals(2, $i);
 }