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-rw-r--r--tests/unittests/test_util.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/unittests/test_util.py b/tests/unittests/test_util.py
index bdee9719..37a984ac 100644
--- a/tests/unittests/test_util.py
+++ b/tests/unittests/test_util.py
@@ -386,6 +386,7 @@ class TestReadDMIData(helpers.FilesystemMockingTestCase):
self.assertEqual(None, util.read_dmi_data('expect-fail'))
def test_dots_returned_instead_of_foxfox(self):
+ # uninitialized dmi values show as \xff, return those as .
my_len = 32
dmi_value = b'\xff' * my_len + b'\n'
expected = ""