[stream-refactor] repaired rest of create_child_test.

tests/create_child_test.py

@@ -222,22 +222,20 @@ class TtyCreateChildTest(testlib.TestCase):
             tf.close()
 
 
-if 0:
+class StderrDiagTtyMixin(object):
-
-    class StderrDiagTtyMixin(object):
     def test_stderr(self):
         proc, info, buf = run_fd_check(self.func, 2, 'write',
-                lambda proc: wait_read(proc.diag_receive_side, 4))
+            lambda proc: wait_read(proc.stderr, 4))
 
-            st = os.fstat(proc.diag_receive_side.fd)
+        st = os.fstat(proc.stderr.fileno())
         self.assertTrue(stat.S_ISCHR(st.st_mode))
         self.assertTrue(stat.S_ISCHR(info['st_mode']))
 
         self.assertTrue(isinstance(info['ttyname'],
                         mitogen.core.UnicodeType))
-            os.ttyname(proc.diag_transmit_side.fd) # crashes if wrong
+        os.ttyname(proc.stderr.fileno())  # crashes if wrong
 
-            flags = fcntl.fcntl(proc.diag_receive_side.fd, fcntl.F_GETFL)
+        flags = fcntl.fcntl(proc.stderr.fileno(), fcntl.F_GETFL)
         self.assertTrue(flags & os.O_RDWR)
         self.assertTrue(info['flags'] & os.O_RDWR)
 
@@ -246,11 +244,14 @@ if 0:
         self.assertTrue(buf, 'TEST')
 
 
-    class HybridTtyCreateChildTest(StdinSockMixin, StdoutSockMixin,
+class HybridTtyCreateChildTest(StdinSockMixin, StdoutSockMixin,
                                StderrDiagTtyMixin, testlib.TestCase):
     func = staticmethod(mitogen.parent.hybrid_tty_create_child)
 
 
+
+if 0:
+    # issue #410
     class SelinuxHybridTtyCreateChildTest(StderrDiagTtyMixin, testlib.TestCase):
         func = staticmethod(mitogen.parent.selinux_hybrid_tty_create_child)