Sporadic Test Failures - NetconfITSecureTest.testSecureStress

**Problem:

I am seeing sporadic unit test failures for the following NetconfITSecureTest.

It looks like a merge was pushed just a few days ago that modified this test -
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BUG-1842 Fix byte buffer handling for pending messages

Change-Id: I54cd873e12d73779e20be280226480d090d9e8c5
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
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which is likely the cause of the new behavior. We should really look at a way we can speed this test up (it takes longer than 5 minutes right now!) or move it out into an integration test.

Solution - I am going to try and increase the time out as a TEMPORARY solution. The permanent solution is to really modify the test to not take quiet so long to run.

NOTE: It is possible that this sporadic failure is exposing a true bug. I have not investigated yet.

====== ERROR Below ======

testSecureStress(org.opendaylight.controller.netconf.it.NetconfITSecureTest) Time elapsed: 288.685 sec <<< FAILURE!
java.lang.AssertionError: Request 9998 is not responding
at org.junit.Assert.fail(Assert.java:88)
at org.opendaylight.controller.netconf.it.NetconfITSecureTest.testSecureStress(NetconfITSecureTest.java:144)

Running org.opendaylight.controller.netconf.it.NetconfConfigPersisterITTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.195 sec - in org.opendaylight.controller.netconf.it.NetconfConfigPersisterITTest
Running org.opendaylight.controller.netconf.it.NetconfITMonitoringTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.767 sec - in org.opendaylight.controller.netconf.it.NetconfITMonitoringTest

Results :

Failed tests:
NetconfITSecureTest.testSecureStress:144 Request 9998 is not responding

Tests run: 17, Failures: 1, Errors: 0, Skipped: 0