Fix: accept both VIP and Caddy IP in DNS resolution test

Cells with wildcard zone (e.g. * -> 172.20.0.2) and cells with per-service
VIP DNS records are both valid. Accept either in the assertion so the test
passes regardless of the zone file style.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/e2e/wg/test_wg_full_tunnel.py

@@ -6,14 +6,14 @@ pytestmark = [pytest.mark.wg, pytest.mark.requires_internet]
 
 def test_full_tunnel_routes_all_traffic(full_tunnel_peer):
     """Scenario 30: with AllowedIPs=0.0.0.0/0, external traffic routes through VPN."""
-    # Check routing table — 0.0.0.0/0 should be via the WG interface
-    result = subprocess.run(['ip', 'route', 'show'], capture_output=True, text=True)
+    # wg-quick adds full-tunnel routes to a policy routing table (not the main table),
+    # so we must check all tables to find the 0.0.0.0/1 + 128.0.0.0/1 split routes.
+    result = subprocess.run(['ip', 'route', 'show', 'table', 'all'],
+                            capture_output=True, text=True)
     iface_name = full_tunnel_peer['iface'].iface_name
-    # In full tunnel mode, the default route or the 0.0.0.0/1 + 128.0.0.0/1 split routes
-    # point to the WG interface
     assert (iface_name in result.stdout or
             '0.0.0.0/1' in result.stdout or
-            '128.0.0.0/1' in result.stdout), "Full tunnel routes not found"
+            '128.0.0.0/1' in result.stdout), "Full tunnel routes not found in any routing table"
 
 
 @pytest.mark.requires_internet