'Test pingpair (0% drop) and iperf (bw > 0) regression tests'

def testRegressionRun(self):

    p = pexpect.spawn('mn    --test    pingpair')
    p.expect('0%    dropped')
    p.expect(pexpect.EOF)
    p = pexpect.spawn('mn    --test    iperf')
    p.expect("Results:    \\['([\\d\\.]+)    .bits/sec',")
    bw = float(p.match.group(1))
    self.assertTrue((bw > 0))
    p.expect(pexpect.EOF)
