diff --git a/plugins/kubernetes-backend/src/cluster-locator/CatalogClusterLocator.test.ts b/plugins/kubernetes-backend/src/cluster-locator/CatalogClusterLocator.test.ts
index f436024131..6fb337975e 100644
--- a/plugins/kubernetes-backend/src/cluster-locator/CatalogClusterLocator.test.ts
+++ b/plugins/kubernetes-backend/src/cluster-locator/CatalogClusterLocator.test.ts
@@ -17,6 +17,7 @@
 import '@backstage/backend-common';
 import { CatalogClusterLocator } from './CatalogClusterLocator';
 import { CatalogApi } from '@backstage/catalog-client';
+import { ClusterDetails } from '../types/types';
 
 const mockCatalogApi = {
   getEntityByRef: jest.fn(),
@@ -86,7 +87,7 @@ describe('CatalogClusterLocator', () => {
     const result = await clusterSupplier.getClusters();
 
     expect(result).toHaveLength(2);
-    expect(result[0]).toStrictEqual({
+    expect(result[0]).toStrictEqual<ClusterDetails>({
       name: 'owned',
       url: 'https://apiserver.com',
       caData: 'caData',
@@ -105,7 +106,7 @@ describe('CatalogClusterLocator', () => {
     const result = await clusterSupplier.getClusters();
 
     expect(result).toHaveLength(2);
-    expect(result[1]).toStrictEqual({
+    expect(result[1]).toStrictEqual<ClusterDetails>({
       name: 'owned',
       url: 'https://apiserver.com',
       caData: 'caData',
diff --git a/plugins/kubernetes-backend/src/cluster-locator/ConfigClusterLocator.test.ts b/plugins/kubernetes-backend/src/cluster-locator/ConfigClusterLocator.test.ts
index d84d7e39e8..b85dfac38e 100644
--- a/plugins/kubernetes-backend/src/cluster-locator/ConfigClusterLocator.test.ts
+++ b/plugins/kubernetes-backend/src/cluster-locator/ConfigClusterLocator.test.ts
@@ -17,6 +17,7 @@
 import '@backstage/backend-common';
 import { ConfigReader, Config } from '@backstage/config';
 import { ConfigClusterLocator } from './ConfigClusterLocator';
+import { ClusterDetails } from '../types/types';
 
 describe('ConfigClusterLocator', () => {
   it('empty clusters returns empty cluster details', async () => {
@@ -46,7 +47,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         serviceAccountToken: undefined,
@@ -86,7 +87,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         dashboardUrl: 'https://k8s.foo.com',
@@ -143,7 +144,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         assumeRole: undefined,
         name: 'cluster1',
@@ -204,7 +205,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         serviceAccountToken: undefined,
@@ -241,7 +242,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         serviceAccountToken: undefined,
@@ -294,7 +295,7 @@ describe('ConfigClusterLocator', () => {
 
     const result = await sut.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         serviceAccountToken: undefined,
diff --git a/plugins/kubernetes-backend/src/cluster-locator/index.test.ts b/plugins/kubernetes-backend/src/cluster-locator/index.test.ts
index 6847b0e0a3..1797d3a1b2 100644
--- a/plugins/kubernetes-backend/src/cluster-locator/index.test.ts
+++ b/plugins/kubernetes-backend/src/cluster-locator/index.test.ts
@@ -17,6 +17,7 @@
 import { Config, ConfigReader } from '@backstage/config';
 import { getCombinedClusterSupplier } from './index';
 import { CatalogApi } from '@backstage/catalog-client';
+import { ClusterDetails } from '../types/types';
 
 describe('getCombinedClusterSupplier', () => {
   let catalogApi: CatalogApi;
@@ -51,7 +52,7 @@ describe('getCombinedClusterSupplier', () => {
     const clusterSupplier = getCombinedClusterSupplier(config, catalogApi);
     const result = await clusterSupplier.getClusters();
 
-    expect(result).toStrictEqual([
+    expect(result).toStrictEqual<ClusterDetails[]>([
       {
         name: 'cluster1',
         serviceAccountToken: 'token',