'L{_EXTRAS_REQUIRE} contains options for all documented extras: C{dev},
C{tls}, C{conch}, C{soap}, C{serial}, C{all_non_platform},
C{osx_platform}, and C{windows_platform}.'

def test_extrasRequireDictContainsKeys(self):

    self.assertIn('dev', _EXTRAS_REQUIRE)
    self.assertIn('tls', _EXTRAS_REQUIRE)
    self.assertIn('conch', _EXTRAS_REQUIRE)
    self.assertIn('soap', _EXTRAS_REQUIRE)
    self.assertIn('serial', _EXTRAS_REQUIRE)
    self.assertIn('all_non_platform', _EXTRAS_REQUIRE)
    self.assertIn('osx_platform', _EXTRAS_REQUIRE)
    self.assertIn('windows_platform', _EXTRAS_REQUIRE)
    self.assertIn('http2', _EXTRAS_REQUIRE)
