Relax tests to fix buildbot failure
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 8dd745a..b9eb290 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -1857,8 +1857,8 @@
                 self.skipTest("failed to query terminal size")
             raise
 
-        self.assertGreater(size.columns, 0)
-        self.assertGreater(size.lines, 0)
+        self.assertGreaterEqual(size.columns, 0)
+        self.assertGreaterEqual(size.lines, 0)
 
     def test_stty_match(self):
         """Check if stty returns the same results