oeqa/core/tests: Skip test_fail_duplicated_module

At some point the modules in tests/cases/loader/invalid/ were removed,
this test relied on having tests/cases/loader/invalid/oetag.py to
trigger a ImportError in the loader module. Skip this test.

(From OE-Core rev: cf79aa6383e2a2773e53d5b3082154777646cda4)

Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/core/tests/test_loader.py

@@ -40,6 +40,7 @@ class TestLoader(TestBase):
             result = True if expect in str(e) else False
             self.assertTrue(result, msg=msg)
 
+    @unittest.skip("invalid directory is missing oetag.py")
     def test_fail_duplicated_module(self):
         cases_path = self.cases_path
         invalid_path = os.path.join(cases_path, 'loader', 'invalid')