diff --git a/qubesadmin/tests/mock_app.py b/qubesadmin/tests/mock_app.py
index 6577563a..94396adb 100644
--- a/qubesadmin/tests/mock_app.py
+++ b/qubesadmin/tests/mock_app.py
@@ -245,6 +245,10 @@ def default_string(self):
     "qubes-vm-update-restart-system",
     "qubes-vm-update-restart-other",
     "qubes-vm-update-max-concurrency",
+    "supported-rpc.qubes.TemplateDownload",
+    "supported-rpc.qubes.Gpg",
+    "service.audiovm",
+    "service.guivm",
 ]
 
 POSSIBLE_TAGS = ["whonix-updatevm", "anon-gateway", "anon-vm"]
@@ -971,7 +975,11 @@ def __init__(self):
             qapp=self,
             netvm="sys-net",
             provides_network=True,
-            features={"servicevm": "1", "qubes-firewall": 1},
+            features={
+                "servicevm": "1",
+                "qubes-firewall": 1,
+                "supported-rpc.qubes.TemplateDownload": 1,
+            },
         )
 
         self._qubes["sys-usb"] = MockQube(
@@ -1050,7 +1058,13 @@ def __init__(self):
         )
 
         self._qubes["test-blue"] = MockQube(
-            name="test-blue", running=True, qapp=self, label="blue"
+            name="test-blue",
+            running=True,
+            qapp=self,
+            label="blue",
+            features={
+                "supported-service.qubes-u2f-proxy": "1",
+            },
         )
 
         self._qubes["test-red"] = MockQube(