[pygobject] tests: don't test for specific device labels

[Christoph Reiter <creiter src gnome org>]

commit 4ea19330fd177d6d0d68aabf667fbaf3feaf661e
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sun Aug 19 15:31:06 2018 +0200

    tests: don't test for specific device labels
    
    We can't be sure what's returned there and this fails for example
    with Ubuntu 18.10 in vbox.

 tests/test_atoms.py | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/tests/test_atoms.py b/tests/test_atoms.py
index cc8dc3c2..0081a029 100644
--- a/tests/test_atoms.py
+++ b/tests/test_atoms.py
@@ -98,4 +98,3 @@ class TestGdkAtom(unittest.TestCase):
         axes = device.list_axes()
         axes_names = [atom.name() for atom in axes]
         self.assertNotEqual(axes_names, [])
-        self.assertTrue('Rel X' in axes_names)