oeqa/core/context: Use a default iterable modules object
The OETestLoader.modules must be an iterable object, otherwise
checking presence of specific modules with the 'in' operator fails
with the following command/error:
% oe-test core
.. - core - INFO - Running bitbake -p
Traceback (most recent call last):
File "..poky2/scripts/oe-test", line 108, in <module>
ret = main()
File "..poky2/scripts/oe-test", line 93, in main
results = args.func(logger, args)
File "..poky2/meta/lib/oeqa/core/context.py", line 235, in run
self.tc.loadTests(self.module_paths, **self.tc_kwargs['load'])
File "..poky2/meta/lib/oeqa/core/context.py", line 53, in loadTests
self.suites = self.loader.discover()
File "..poky2/meta/lib/oeqa/core/loader.py", line 204, in discover
pattern='*.py', top_level_dir=path)
File "/usr/lib64/python3.4/unittest/loader.py", line 275, in discover
tests = list(self._find_tests(start_dir, pattern))
File "/usr/lib64/python3.4/unittest/loader.py", line 339, in _find_tests
yield self.loadTestsFromModule(module)
File "..poky2/meta/lib/oeqa/core/loader.py", line 266, in loadTestsFromModule
and module.__name__ in self.modules \
TypeError: argument of type 'NoneType' is not iterable
Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>