remove test__dns.py

greentest/test__dns.py

-#!/usr/bin/python
-import greentest
-from gevent import dns
-from gevent import core
-from gevent.dns import DNSError
-
-funcs = [dns.resolve_ipv4, dns.resolve_ipv6,
-         dns.resolve_reverse, dns.resolve_reverse_ipv6]
-
-
-class TestNoSwitch(greentest.TestCase):
-
-    switch_expected = False
-
-    def test_type_error(self):
-        for func in funcs:
-            self.assertRaises(TypeError, func, None)
-            self.assertRaises(TypeError, func, 15)
-            self.assertRaises(TypeError, func, object())
-
-    def test_dns_err_to_string(self):
-        for err in range(-100, 100):
-            result = core.dns_err_to_string(err)
-            assert result, result
-            assert isinstance(result, str)
-
-
-class TestSwitch(greentest.TestCase):
-
-    switch_expected = True
-
-    def test_empty_string(self):
-        self.assertRaises(DNSError, dns.resolve_ipv4, '')
-        self.assertRaises(DNSError, dns.resolve_ipv6, '')
-        self.assertRaises(DNSError, dns.resolve_reverse, '')
-        self.assertRaises(DNSError, dns.resolve_reverse_ipv6, '')
-
-
-if __name__ == '__main__':
-    greentest.main()