function it_throws_an_exception_on_PSR4_prefix_not_matching_namespace(Filesystem $fs)
{
$exception = new \InvalidArgumentException('PSR4 prefix doesn\'t match given class namespace.' . PHP_EOL);
$this->shouldThrow($exception)->during('__construct', array($fs, 'p\\pf\\N\\S', 'spec', $this->srcPath, $this->specPath, 'wrong\\prefix'));
}