scorer.php
public function shouldInvoke($test_case_name, $method)
    {
        $numberOfReporters = count($this->reporters);
        for ($i = 0; $i < $numberOfReporters; $i++) {
            if (! $this->reporters[$i]->shouldInvoke($test_case_name, $method)) {
                return false;
            }
        }

        return true;
    }
public function shouldInvoke($test_case_name, $method)
    {
        $numberOfReporters = count($this->reporters);
        for ($i = 0; $i < $numberOfReporters; $i++) {
            if (! $this->reporters[$i]->shouldInvoke($test_case_name, $method)) {
                return false;
            }
        }

        return true;
    }
The reporter has a veto on what should be run.
It requires all reporters to want to run the method.

@param string $test_case_name  name of test case.
@param string $method          Name of test method.