Update check for ctx to be explicit

[lams12]

This updates the check for ctx to be explicit. Ctx is also of type DurableHandleV2Response which has an attribute named timeout rather than durable_timeout.

Before:

root@DTRDUC3599532:~/pike/src [master %] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.durable.DurableHandleTest.test_durable_v2_invalidate
F
======================================================================
FAIL: test_durable_v2_invalidate (pike.test.durable.DurableHandleTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/root/pike/src/pike/test/durable.py", line 331, in test_durable_v2_invalidate
    self.durable_invalidate_test(0)
  File "/root/pike/src/pike/test/durable.py", line 158, in durable_invalidate_test
    handle3 = self.create(chan3, tree3, durable=handle1)
  File "/usr/lib64/python3.6/contextlib.py", line 88, in __exit__
    next(self.gen)
  File "/root/pike/src/pike/test/__init__.py", line 546, in assert_error
    raise self.failureException('No error raised when "%s" expected' % status)
AssertionError: No error raised when "STATUS_OBJECT_NAME_NOT_FOUND" expected

----------------------------------------------------------------------
Ran 1 test in 0.144s

FAILED (failures=1)
root@DTRDUC3599532:~/pike/src [master %] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.durable.DurableHandleTest.test_durable_reconnect_v2_fails_client_guid
F
======================================================================
FAIL: test_durable_reconnect_v2_fails_client_guid (pike.test.durable.DurableHandleTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/root/pike/src/pike/test/durable.py", line 324, in test_durable_reconnect_v2_fails_client_guid
    self.durable_reconnect_fails_client_guid_test(0)
  File "/root/pike/src/pike/test/durable.py", line 117, in durable_reconnect_fails_client_guid_test
    handle2 = self.create(chan2, tree2, durable=handle1)
  File "/usr/lib64/python3.6/contextlib.py", line 88, in __exit__
    next(self.gen)
  File "/root/pike/src/pike/test/__init__.py", line 546, in assert_error
    raise self.failureException('No error raised when "%s" expected' % status)
AssertionError: No error raised when "STATUS_OBJECT_NAME_NOT_FOUND" expected

----------------------------------------------------------------------
Ran 1 test in 0.116s

FAILED (failures=1)
 root@DTRDUC3596981:~ # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.persistent
FFFFFFFF
======================================================================
FAIL: test_buffer_too_small (pike.test.persistent.Persistent)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib64/python3.6/site-packages/pike/test/persistent.py", line 233, in test_buffer_too_small
    handle1 = self.create_persistent()
  File "/usr/local/lib64/python3.6/site-packages/pike/test/persistent.py", line 65, in create_persistent
    self.assertEqual(handle.durable_flags, smb2.SMB2_DHANDLE_FLAG_PERSISTENT)
AssertionError: 0 != SMB2_DHANDLE_FLAG_PERSISTENT
....

After:

root@DTRDUC3599532:~/pike/src [BR_SLAM_DH] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.durable.DurableHandleTest.test_durable_v2_invalidate
.
----------------------------------------------------------------------
Ran 1 test in 0.158s

OK
root@DTRDUC3599532:~/pike/src [BR_SLAM_DH] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.durable.DurableHandleTest.test_durable_reconnect_v2_fails_client_guid
.
----------------------------------------------------------------------
Ran 1 test in 0.144s

OK
root@DTRDUC3599532:~/pike/src [BR_SLAM_DH] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.persistent
........
----------------------------------------------------------------------
Ran 8 tests in 130.050s

OK

New test:

root@DTRDUC3599532:~/pike/src [BR_SLAM_DH] # PIKE_SERVER="10.224.9.239" PIKE_SHARE="ifs" PIKE_CREDS=root%a python3 -m unittest pike.test.durable.DurableHandleTest.test_durable_v2_timer
.
----------------------------------------------------------------------
Ran 1 test in 180.231s

OK

[marchhare09]

Still don't know how this worked before. LGTM.

[lams12]

No code changes were made in the latest push. Just squashing the commits.

[lams12]

cc: @isi-adas