diff --git a/tests/unit/modules/mount_test.py b/tests/unit/modules/mount_test.py
index 282539d..c88a7a8 100644
--- a/tests/unit/modules/mount_test.py
+++ b/tests/unit/modules/mount_test.py
@@ -103,12 +103,6 @@ class MountTestCase(TestCase):
             self.assertTrue(mount.rm_fstab('name', 'device'))
 
         mock = MagicMock(return_value={'name': 'name'})
-        with patch.object(mount, 'fstab', mock):
-            with patch('salt.utils.fopen', mock_open()) as m_open:
-                helper_open = m_open()
-                helper_open.write.assertRaises(CommandExecutionError,
-                                               mount.rm_fstab,
-                                               config=None)
 
     def test_set_fstab(self):
         '''
@@ -143,12 +137,6 @@ class MountTestCase(TestCase):
             self.assertTrue(mount.rm_automaster('name', 'device'))
 
         mock = MagicMock(return_value={'name': 'name'})
-        with patch.object(mount, 'fstab', mock):
-            with patch('salt.utils.fopen', mock_open()) as m_open:
-                helper_open = m_open()
-                helper_open.write.assertRaises(CommandExecutionError,
-                                               mount.rm_automaster,
-                                               'name', 'device')
 
     def test_set_automaster(self):
         '''
diff --git a/tests/unit/modules/puppet_test.py b/tests/unit/modules/puppet_test.py
index 6a43fd4..3be039c 100644
--- a/tests/unit/modules/puppet_test.py
+++ b/tests/unit/modules/puppet_test.py
@@ -91,10 +91,6 @@ class PuppetTestCase(TestCase):
                     with patch('salt.utils.fopen', mock_open()):
                         self.assertTrue(puppet.disable())
 
-                    with patch('salt.utils.fopen', mock_open()) as m_open:
-                        helper_open = m_open()
-                        helper_open.write.assertRaises(CommandExecutionError,
-                                                       puppet.disable)
 
     def test_status(self):
         '''
@@ -154,10 +150,6 @@ class PuppetTestCase(TestCase):
                            mock_open(read_data="resources: 1")):
                     self.assertDictEqual(puppet.summary(), {'resources': 1})
 
-                with patch('salt.utils.fopen', mock_open()) as m_open:
-                    helper_open = m_open()
-                    helper_open.write.assertRaises(CommandExecutionError,
-                                                   puppet.summary)
 
     def test_plugin_sync(self):
         '''