schema-transformer tests throw 'Bad file descriptor'

[Artur Dębski]

After running 'scons controller/src/config/schema-transformer:test', there are a lot of 'Bad file descriptor' errors in vnc_cgitb.py

--
close failed in file object destructor:
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python2.7/cgitb.py", line 271, in __call__
    self.handle((etype, evalue, etb))
  File "/home/ubuntu/sandbox-contrail/build/debug/config/schema-transformer/.venv/local/lib/python2.7/site-packages/cfgm_common/vnc_cgitb.py", line 103, in handle
    self.file.flush()
IOError: [Errno 9] Bad file descriptor
--

Full log is attached

[Artur Dębski (artur-debski)]

logs