diff --git a/compose/service.py b/compose/service.py
index fb859ab7a4..b3c68735c5 100644
--- a/compose/service.py
+++ b/compose/service.py
@@ -614,7 +614,7 @@ class Service(object):
             container_options.get('labels', {}),
             self.labels(one_off=one_off),
             number,
-            self.config_hash if add_config_hash else None)
+            self.config_hash() if add_config_hash else None)
 
         # Delete options which are only used when starting
         for key in DOCKER_START_KEYS:
diff --git a/tests/__init__.py b/tests/__init__.py
index 08a7865e90..c7a1bd4a0c 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,5 +1,7 @@
 import sys
 
+import mock  # noqa
+
 if sys.version_info >= (2, 7):
     import unittest  # NOQA
 else:
diff --git a/tests/unit/config_test.py b/tests/unit/config_test.py
index c523798f2b..cefb1a20ff 100644
--- a/tests/unit/config_test.py
+++ b/tests/unit/config_test.py
@@ -512,7 +512,7 @@ class ExtendsTest(unittest.TestCase):
         We specify a 'file' key that is the filename we're already in.
         """
         service_dicts = load_from_filename('tests/fixtures/extends/specify-file-as-self.yml')
-        self.assertEqual(service_dicts, [
+        self.assertEqual(sorted(service_dicts), sorted([
             {
                 'environment':
                 {
@@ -532,7 +532,7 @@ class ExtendsTest(unittest.TestCase):
                 'image': 'busybox',
                 'name': 'web'
             }
-        ])
+        ]))
 
     def test_circular(self):
         try:
diff --git a/tests/unit/service_test.py b/tests/unit/service_test.py
index f407d73e93..263c9b329d 100644
--- a/tests/unit/service_test.py
+++ b/tests/unit/service_test.py
@@ -7,8 +7,6 @@ import mock
 import docker
 from docker.utils import LogConfig
 
-from .. import mock
-from .. import unittest
 from compose.const import LABEL_CONFIG_HASH
 from compose.const import LABEL_ONE_OFF
 from compose.const import LABEL_PROJECT
@@ -227,19 +225,6 @@ class ServiceTest(unittest.TestCase):
         self.assertEqual(opts['hostname'], 'name.sub', 'hostname')
         self.assertEqual(opts['domainname'], 'domain.tld', 'domainname')
 
-    def test_get_container_create_options_with_name_option(self):
-        service = Service(
-            'foo',
-            image='foo',
-            client=self.mock_client,
-            container_name='foo1')
-        name = 'the_new_name'
-        opts = service._get_container_create_options(
-            {'name': name},
-            1,
-            one_off=True)
-        self.assertEqual(opts['name'], name)
-
     def test_get_container_create_options_does_not_mutate_options(self):
         labels = {'thing': 'real'}
         environment = {'also': 'real'}
@@ -274,40 +259,6 @@ class ServiceTest(unittest.TestCase):
             }
         )
 
-    def test_get_container_create_options_does_not_mutate_options(self):
-        labels = {'thing': 'real'}
-        environment = {'also': 'real'}
-        service = Service(
-            'foo',
-            image='foo',
-            labels=dict(labels),
-            client=self.mock_client,
-            environment=dict(environment),
-        )
-        self.mock_client.inspect_image.return_value = {'Id': 'abcd'}
-        prev_container = mock.Mock(
-            id='ababab',
-            image_config={'ContainerConfig': {}})
-
-        opts = service._get_container_create_options(
-            {},
-            1,
-            previous_container=prev_container)
-
-        self.assertEqual(service.options['labels'], labels)
-        self.assertEqual(service.options['environment'], environment)
-
-        self.assertEqual(
-            opts['labels'][LABEL_CONFIG_HASH],
-            'b30306d0a73b67f67a45b99b88d36c359e470e6fa0c04dda1cf62d2087205b81')
-        self.assertEqual(
-            opts['environment'],
-            {
-                'affinity:container': '=ababab',
-                'also': 'real',
-            }
-        )
-
     def test_get_container_not_found(self):
         self.mock_client.containers.return_value = []
         service = Service('foo', client=self.mock_client, image='foo')
@@ -433,9 +384,9 @@ class ServiceTest(unittest.TestCase):
             'foo',
             image='example.com/foo',
             client=self.mock_client,
-            net=ServiceNet(Service('other')),
-            links=[(Service('one'), 'one')],
-            volumes_from=[Service('two')])
+            net=ServiceNet(Service('other', image='foo')),
+            links=[(Service('one', image='foo'), 'one')],
+            volumes_from=[Service('two', image='foo')])
 
         config_dict = service.config_dict()
         expected = {
@@ -492,7 +443,7 @@ class NetTestCase(unittest.TestCase):
             {'Id': container_id, 'Name': container_id, 'Image': 'abcd'},
         ]
 
-        service = Service(name=service_name, client=mock_client)
+        service = Service(name=service_name, client=mock_client, image='foo')
         net = ServiceNet(service)
 
         self.assertEqual(net.id, service_name)
@@ -504,7 +455,7 @@ class NetTestCase(unittest.TestCase):
         mock_client = mock.create_autospec(docker.Client)
         mock_client.containers.return_value = []
 
-        service = Service(name=service_name, client=mock_client)
+        service = Service(name=service_name, client=mock_client, image='foo')
         net = ServiceNet(service)
 
         self.assertEqual(net.id, service_name)