public function setUp()
{
$this->suite = $this->prophesize(Suite::class);
$this->bench1 = $this->prophesize(Benchmark::class);
$this->subject1 = $this->prophesize(Subject::class);
$this->variant1 = $this->prophesize(Variant::class);
$this->stats = $this->prophesize(Distribution::class);
}