diff --git a/qubes/tests/__init__.py b/qubes/tests/__init__.py
index 8f39eae4..1505a07d 100644
--- a/qubes/tests/__init__.py
+++ b/qubes/tests/__init__.py
@@ -223,7 +223,7 @@ class QubesTestCase(unittest.TestCase):
 
     def __str__(self):
         return '{}/{}/{}'.format(
-            '.'.join(self.__class__.__module__.split('.')[2:]),
+            self.__class__.__module__,
             self.__class__.__name__,
             self._testMethodName)
 
@@ -971,6 +971,8 @@ def load_tests(loader, tests, pattern): # pylint: disable=unused-argument
             'qubes.tests.int.tools.qubes_create',
             'qubes.tests.int.tools.qvm_prefs',
             'qubes.tests.int.tools.qvm_run',
+            # external modules
+            'qubes.tests.extra',
             ):
         tests.addTests(loader.loadTestsFromName(modname))
 
diff --git a/qubes/tests/extra.py b/qubes/tests/extra.py
index c5c44a5a..21b67063 100644
--- a/qubes/tests/extra.py
+++ b/qubes/tests/extra.py
@@ -32,6 +32,10 @@ class ExtraTestCase(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase):
 
     template = None
 
+    def setUp(self):
+        super(ExtraTestCase, self).setUp()
+        self.init_default_template(self.template)
+
     def create_vms(self, names):
         """
         Create AppVMs for the duration of the test. Will be automatically
@@ -47,14 +51,15 @@ class ExtraTestCase(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase):
         for vmname in names:
             vm = self.app.add_new_vm(qubes.vm.appvm.AppVM,
                                     name=self.make_vm_name(vmname),
-                                    template=template)
-            vm.create_on_disk(verbose=False)
+                                    template=template,
+                                    label='red')
+            vm.create_on_disk()
         self.save_and_reload_db()
 
         # get objects after reload
         vms = []
         for vmname in names:
-            vms.append(self.app.domains[self.make_vm_name])
+            vms.append(self.app.domains[self.make_vm_name(vmname)])
         return vms
 
     def enable_network(self):
@@ -66,7 +71,7 @@ class ExtraTestCase(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase):
 
 def load_tests(loader, tests, pattern):
     for entry in pkg_resources.iter_entry_points('qubes.tests.extra'):
-        for test_case in entry():
+        for test_case in entry.load()():
             tests.addTests(loader.loadTestsFromTestCase(test_case))
 
     try:
diff --git a/qubes/tests/int/dom0_update.py b/qubes/tests/int/dom0_update.py
index 13dc7bc8..d14fcfed 100644
--- a/qubes/tests/int/dom0_update.py
+++ b/qubes/tests/int/dom0_update.py
@@ -226,7 +226,7 @@ Test package
 
         logpath = os.path.join(self.tmpdir, 'dom0-update-output.txt')
         try:
-            subprocess.check_call(['sudo', 'qubes-dom0-update', '-y'] +
+            subprocess.check_call(['sudo', '-E', 'qubes-dom0-update', '-y'] +
                                   self.dom0_update_common_opts,
                                   stdout=open(logpath, 'w'),
                                   stderr=subprocess.STDOUT)
@@ -256,7 +256,7 @@ Test package
         shutil.rmtree('/var/lib/qubes/updates/repodata')
         logpath = os.path.join(self.tmpdir, 'dom0-update-output.txt')
         try:
-            subprocess.check_call(['sudo', 'qubes-dom0-update', '-y',
+            subprocess.check_call(['sudo', '-E', 'qubes-dom0-update', '-y',
                                    '--clean'] +
                                   self.dom0_update_common_opts,
                                   stdout=open(logpath, 'w'),
diff --git a/qubes/vm/templatevm.py b/qubes/vm/templatevm.py
index f2cd0a29..52ee5dea 100644
--- a/qubes/vm/templatevm.py
+++ b/qubes/vm/templatevm.py
@@ -15,6 +15,11 @@ class TemplateVM(qubes.vm.qubesvm.QubesVM):
         '''COW image'''
         return self.storage.rootcow_img
 
+    @property
+    def appvms(self):
+        for vm in self.app.domains:
+            if hasattr(vm, 'template') and vm.template is self:
+                yield vm
 
     def __init__(self, *args, **kwargs):
         super(TemplateVM, self).__init__(*args, **kwargs)