def add_results(self, result):
        """
        Add the results from the other *result* to this result.
        """
        self.stream.write(result.stream.getvalue())
        self.stream.flush()
        self.testsRun += result.testsRun
        self.failures.extend(result.failures)
        self.errors.extend(result.errors)
        self.skipped.extend(result.skipped)
        self.expectedFailures.extend(result.expectedFailures)
        self.unexpectedSuccesses.extend(result.unexpectedSuccesses)

        Add the results from the other *result* to this result.
        
numba/testing/main.py