tests: deterministic listdir() using a set()

Author: slyon

tests/cli_legacy.py

@@ -88,7 +88,7 @@ def test_no_config(self):
                              stderr=subprocess.PIPE)
         (out, err) = p.communicate()
         self.assertEqual(out, b'')
-        self.assertEqual(os.listdir(self.workdir.name), ['usr', 'run'])
+        self.assertEqual(set(os.listdir(self.workdir.name)), {'usr', 'run'})
         self.assertEqual(
             os.listdir(os.path.join(self.workdir.name, 'usr', 'lib', 'systemd', 'system-generators')),
             ['netplan'])

tests/generator/test_args.py

@@ -64,7 +64,7 @@ def test_no_files(self):
         # nothing is generated in /run besides the netplan-ovs-cleanup.service.
         # We only have the sd-generator in usr/lib/systemd/system-generators
         # (or rather usr/local_test/)
-        self.assertEqual(os.listdir(self.workdir.name), ['usr', 'run'])
+        self.assertEqual(set(os.listdir(self.workdir.name)), {'usr', 'run'})
         self.assert_networkd(None)
         self.assert_networkd_udev(None)
         self.assert_nm(None)