public function testOverrideParameters()
{
$process = $this->phpbench('run --dump --progress=none --parameters=\'{"length": 333}\' benchmarks/set1/BenchmarkBench.php');
$this->assertExitCode(0, $process);
$output = $process->getOutput();
$this->assertXPathCount(3, $output, '//parameter[@value=333]');
}