public function setUp()
{
$this->supplier = new Supplier();
$this->provider1 = $this->prophesize(ProviderInterface::class);
$this->provider2 = $this->prophesize(ProviderInterface::class);
$this->information1 = $this->prophesize(Information::class);
$this->information2 = $this->prophesize(Information::class);
}