diff --git a/packages/core/src/main/cluster/update-entity-spec.test.ts b/packages/core/src/main/cluster/update-entity-spec.test.ts
index 66fa9ffd06..60be847ebe 100644
--- a/packages/core/src/main/cluster/update-entity-spec.test.ts
+++ b/packages/core/src/main/cluster/update-entity-spec.test.ts
@@ -127,7 +127,7 @@ describe("update-entity-spec", () => {
   });
 
   it("given entity has no metrics, updates entity spec with prometheus provider", () => {
-    entity.spec.metrics = undefined;
+    expect(entity.spec.metrics).toBeUndefined();
 
     cluster.preferences.prometheusProvider = {
       type: "some-prometheus-provider-type",