diff --git a/packages/core/src/common/k8s-api/__tests__/api-manager.test.ts b/packages/core/src/common/k8s-api/__tests__/api-manager.test.ts
index b83f52c3f0..2e7e545f76 100644
--- a/packages/core/src/common/k8s-api/__tests__/api-manager.test.ts
+++ b/packages/core/src/common/k8s-api/__tests__/api-manager.test.ts
@@ -19,6 +19,9 @@ import { KubeObject } from "../kube-object";
 import { KubeObjectStore } from "../kube-object.store";
 import maybeKubeApiInjectable from "../maybe-kube-api.injectable";
 
+// eslint-disable-next-line no-restricted-imports
+import { KubeApi as ExternalKubeApi } from "../../../extensions/common-api/k8s-api";
+
 class TestApi extends KubeApi<KubeObject> {
   protected async checkPreferredVersion() {
     return;
@@ -54,7 +57,7 @@ describe("ApiManager", () => {
   });
 
   describe("registerApi", () => {
-    it("re-register store if apiBase changed", async () => {
+    it("re-register store if apiBase changed", () => {
       const apiBase = "apis/v1/foo";
       const fallbackApiBase = "/apis/extensions/v1beta1/foo";
       const kubeApi = new TestApi({
@@ -72,21 +75,48 @@ describe("ApiManager", () => {
         logger: di.inject(loggerInjectable),
       }, kubeApi);
 
-      apiManager.registerApi(apiBase, kubeApi);
+      apiManager.registerApi(kubeApi);
 
       // Define to use test api for ingress store
       Object.defineProperty(kubeStore, "api", { value: kubeApi });
-      apiManager.registerStore(kubeStore, [kubeApi]);
+      apiManager.registerStore(kubeStore);
 
       // Test that store is returned with original apiBase
       expect(apiManager.getStore(kubeApi)).toBe(kubeStore);
 
       // Change apiBase similar as checkPreferredVersion does
       Object.defineProperty(kubeApi, "apiBase", { value: fallbackApiBase });
-      apiManager.registerApi(fallbackApiBase, kubeApi);
+      apiManager.registerApi(kubeApi);
 
       // Test that store is returned with new apiBase
       expect(apiManager.getStore(kubeApi)).toBe(kubeStore);
     });
   });
+
+  describe("technical tests for autorun", () => {
+    it("given two extensions register apis with the same apibase, settle into using the second", () => {
+      const apiBase = "/apis/aquasecurity.github.io/v1alpha1/vulnerabilityreports";
+      const firstApi = Object.assign(new ExternalKubeApi({
+        objectConstructor: KubeObject,
+        apiBase,
+        kind: "VulnerabilityReport",
+      }), {
+        myField: 1,
+      });
+      const secondApi = Object.assign(new ExternalKubeApi({
+        objectConstructor: KubeObject,
+        apiBase,
+        kind: "VulnerabilityReport",
+      }), {
+        myField: 2,
+      });
+
+      void firstApi;
+      void secondApi;
+
+      expect(apiManager.getApi(apiBase)).toMatchObject({
+        myField: 2,
+      });
+    });
+  });
 });