* Refactored nettest.TestCase to get it to recognize test suboptions.
* Refactored nettest.TestCase to get it to recognize test suboptions.

Karthikeyan-kkk/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,lordappsec/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe,lordappsec/ooni-probe,kdmurray91/ooni-probe,hackerberry/ooni-probe,hackerberry/ooni-probe,0xPoly/ooni-probe,lordappsec/ooni-probe,kdmurray91/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,0xPoly/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe