public function testCallingApplyWillModifyTheContentsUsingReturnValue()
{
$node = m::mock(NodeInterface::class);
$node->shouldReceive('someMethod')->once()->andReturn(null);
$collection = new NodeCollection();
$collection->add($node);
$collection->apply(function ($item) {
$item->someMethod();
return $item;
});
$item = $collection->getAll()[0];
static::assertSame($node, $item);
}
