public function setUp()
 {
     $this->node = $this->prophesize(Node::class);
     $this->parser = $this->prophesize(Multiple::class);
     $this->output = $this->prophesize(OutputInterface::class);
     $this->nodeTraverser = $this->prophesize(NodeTraverser::class);
     $this->analyser = new Analyser($this->parser->reveal(), $this->nodeTraverser->reveal(), $this->output->reveal());
 }