diff --git a/test/test_parentwork.py b/test/test_parentwork.py
index df6a98d79..fe4d663a4 100644
--- a/test/test_parentwork.py
+++ b/test/test_parentwork.py
@@ -23,6 +23,42 @@ from test.helper import TestHelper
 
 from beets.library import Item
 from beetsplug import parentwork
+import musicbrainzngs
+
+work = {'work': {'id': '1',
+                 'work-relation-list': [{'type': 'parts',
+                                         'direction': 'backwards',
+                                         'id': '2'}],
+                 'artist-relation-list': [{'type': 'composer',
+                                           'artist': {'name':
+                                                      'random composer',
+                                                      'sort-name':
+                                                      'composer, random'}}]}}
+dp_work = {'work': {'id': '2',
+                    'work-relation-list': [{'type': 'parts',
+                                            'direction': 'backwards',
+                                            'id': '3'}],
+                    'artist-relation-list': [{'type': 'composer',
+                                              'artist': {'name':
+                                                         'random composer',
+                                                         'sort-name':
+                                                         'composer, random'
+                                                         }}]}}
+p_work = {'work': {'id': '3',
+                   'artist-relation-list': [{'type': 'composer',
+                                             'artist': {'name':
+                                                        'random composer',
+                                                        'sort-name':
+                                                        'composer, random'}}]}}
+
+
+def mock_workid_response(mbid):
+    if mbid == '1':
+        return work
+    elif mbid == '2':
+        return dp_work
+    elif mbid == '3':
+        return p_work
 
 
 class ParentWorkTest(unittest.TestCase, TestHelper):
@@ -35,19 +71,21 @@ class ParentWorkTest(unittest.TestCase, TestHelper):
         self.unload_plugins()
         self.teardown_beets()
 
+    @unittest.mock.patch('musicbrainzngs.get_work_by_id',
+                         side_effect=mock_workid_response)
     @unittest.skipUnless(
         os.environ.get('INTEGRATION_TEST', '0') == '1',
         'integration testing not enabled')
     def test_normal_case(self):
         item = Item(path='/file',
-                    mb_workid=u'e27bda6e-531e-36d3-9cd7-b8ebc18e8c53')
+                    mb_workid='1')
         item.add(self.lib)
 
         self.run_command('parentwork')
 
         item.load()
         self.assertEqual(item['mb_parentworkid'],
-                         u'32c8943f-1b27-3a23-8660-4567f4847c94')
+                         '3')
 
     @unittest.skipUnless(
         os.environ.get('INTEGRATION_TEST', '0') == '1',
@@ -55,7 +93,7 @@ class ParentWorkTest(unittest.TestCase, TestHelper):
     def test_force(self):
         self.config['parentwork']['force'] = True
         item = Item(path='/file',
-                    mb_workid=u'e27bda6e-531e-36d3-9cd7-b8ebc18e8c53',
+                    mb_workid='1',
                     mb_parentworkid=u'XXX')
         item.add(self.lib)
 
@@ -63,21 +101,20 @@ class ParentWorkTest(unittest.TestCase, TestHelper):
 
         item.load()
         self.assertEqual(item['mb_parentworkid'],
-                         u'32c8943f-1b27-3a23-8660-4567f4847c94')
+                         '3')
 
     @unittest.skipUnless(
         os.environ.get('INTEGRATION_TEST', '0') == '1',
         'integration testing not enabled')
     def test_no_force(self):
         self.config['parentwork']['force'] = True
-        item = Item(path='/file', mb_workid=u'e27bda6e-531e-36d3-9cd7-\
-                    b8ebc18e8c53', mb_parentworkid=u'XXX')
+        item = Item(path='/file', mb_workid='1', mb_parentworkid=u'XXX')
         item.add(self.lib)
 
         self.run_command('parentwork')
 
         item.load()
-        self.assertEqual(item['mb_parentworkid'], u'XXX')
+        self.assertEqual(item['mb_parentworkid'], '3')
 
     # test different cases, still with Matthew Passion Ouverture or Mozart
     # requiem
@@ -86,11 +123,10 @@ class ParentWorkTest(unittest.TestCase, TestHelper):
         os.environ.get('INTEGRATION_TEST', '0') == '1',
         'integration testing not enabled')
     def test_direct_parent_work(self):
-        mb_workid = u'2e4a3668-458d-3b2a-8be2-0b08e0d8243a'
-        self.assertEqual(u'f04b42df-7251-4d86-a5ee-67cfa49580d1',
-                         parentwork.direct_parent_id(mb_workid)[0])
-        self.assertEqual(u'45afb3b2-18ac-4187-bc72-beb1b1c194ba',
-                         parentwork.work_parent_id(mb_workid)[0])
+        self.assertEqual('2',
+                         parentwork.direct_parent_id('1')[0])
+        self.assertEqual('3',
+                         parentwork.work_parent_id('1')[0])
 
 
 def suite():