/** @covers Brickoo\Component\Storage\Adapter\AdapterPoolIterator::isEmpty */
 public function testPoolIsEmpty()
 {
     $adapterPoolIterator = new AdapterPoolIterator([]);
     $this->assertTrue($adapterPoolIterator->isEmpty());
     $adapterPoolIterator = new AdapterPoolIterator($this->getPoolEntries());
     $this->assertFalse($adapterPoolIterator->isEmpty());
 }