Description of problem:
crash with traceback while running cd-rom test using a blu-ray drive

Version-Release number of selected component (if applicable):
redhat-certification-2.1-20151217.el7.noarch
redhat-certification-hardware-1.7.1-20151215.el7.noarch

How reproducible:
seen once.  Same player tests blu-ray media without complaint, immediately prior to this test run.

Steps to Reproduce:
1. run the cd-rom test against a blu-ray device with cd-rw media
2.
3.

Actual results:
crash (hung test, no results) with traceback in logs

Expected results:
passing test

Additional info:
   +++ Blanking the disk, this may take some time, please be patient ...
 Traceback (most recent call last):
   File "/usr/bin/rhcert-backend", line 37, in <module>
     success = rhcertBackend.do(args)
   File "/usr/lib/python2.7/site-packages/rhcert/client/backend.py", line 179, in do
     return self.doServer(args)
   File "/usr/lib/python2.7/site-packages/rhcert/client/backend.py", line 212, in doServer
     return daemon.run()
   File "/usr/lib/python2.7/site-packages/rhcert/listener/daemon.py", line 77, in run
     self.runXML(job)
   File "/usr/lib/python2.7/site-packages/rhcert/listener/daemon.py", line 95, in runXML
     return self.runPlan()
   File "/usr/lib/python2.7/site-packages/rhcert/listener/daemon.py", line 138, in runPlan
     harness.run(self.resultsDocument)
   File "/usr/lib/python2.7/site-packages/rhcert/client/harness.py", line 490, in run
     return self._doRun(testDocuments)
   File "/usr/lib/python2.7/site-packages/rhcert/client/harness.py", line 573, in _doRun
     returnValue = self.runTest(logDirectory, testDocument, runDocument, outputFilePath)
   File "/usr/lib/python2.7/site-packages/rhcert/client/harness.py", line 1001, in runTest
     rv = test.run()
   File "/usr/lib/python2.7/site-packages/rhcert/suites/hwcert/tests/cdrom/cdrom.py", line 117, in run
     if self.testDisk(message="%s %s" %(description, self.printMediaName(self.mediaChoice)), readWriteMode=mode, type="cdrom"):
   File "/usr/lib/python2.7/site-packages/rhcert/suites/hwcert/hwcert/opticalDiskTest.py", line 439, in testDisk
     return self.rewriter(type)
   File "/usr/lib/python2.7/site-packages/rhcert/suites/hwcert/hwcert/opticalDiskTest.py", line 365, in rewriter
     if self.getDebug() != Constants.off:
 NameError: global name 'Constants' is not defined
 </output>


seems very similar to bz 1289045