Added test for missing zone

tests/config/missing-zone-config.yaml

@@ -7,4 +7,9 @@ providers:
   dump:
     class: octodns.provider.yaml.YamlProvider
     directory: env/YAML_TMP_DIR
-zones: {}
+zones:
+  unit.tests.:
+    sources:
+      - in
+    targets:
+      - dump

tests/test_octodns_manager.py

@@ -81,7 +81,9 @@ class TestManager(TestCase):
 
     def test_missing_zone(self):
         with self.assertRaises(ManagerException) as ctx:
-            Manager(get_config_filename('missing-zone-config.yaml')).sync()
+            Manager(get_config_filename('missing-zone-config.yaml')).sync(
+                ['missing.zones.']
+            )
         self.assertTrue('Passed zone:' in str(ctx.exception))
 
     def test_missing_targets(self):