diff --git a/test/integration/mesh.test.ts b/test/integration/mesh.test.ts
index bb44396..b755f80 100644
--- a/test/integration/mesh.test.ts
+++ b/test/integration/mesh.test.ts
@@ -1796,7 +1796,12 @@ test("a third-party workload is adopted, with the credential it already had", {
 test("the real modules resolve together, and compose a declaration a host accepts", {
   skip, timeout: 300_000,
 }, async (t) => {
-  const modules = ["postgres", "keycloak", "gitea", "minio", "mailu"];
+  // Everything the catalogue holds, except two whose names this mesh is already running under:
+  // `registry` is the artifact store the suite stood up, and `umami` is the adopted workload —
+  // adding the catalogue's manifests would replace the records of modules that are live and
+  // assigned, and the adopted umami would suddenly require a database it never asked for.
+  const modules = ["postgres", "keycloak", "gitea", "minio", "mailu",
+    "redis", "grafana", "nextcloud", "searxng", "influxdb", "verdaccio"];
   const planned: string[] = [];
   for (const name of modules) {
     const raw = readFileSync(