test: Multihost is enabled in tumbleweed by default

Author: SludgeGirl

test/common/testlib.py

@@ -1840,7 +1840,8 @@ def setUp(self) -> None:
 
         # only enabled by default on released OSes; see pkg/shell/manifest.json
         self.multihost_enabled = image.startswith(("rhel-9", "centos-9")) or image in [
-                "ubuntu-2204", "ubuntu-2404", "debian-stable"]
+                "ubuntu-2204", "ubuntu-2404", "debian-stable",
+                "opensuse-tumbleweed"]
         # Transitional code while we move ubuntu-stable from 24.04 to 24.10
         if image == "ubuntu-stable" and m.execute(". /etc/os-release; echo $VERSION_ID").strip() == "24.04":
             self.multihost_enabled = True