diff --git a/x-pack/test/fleet_api_integration/apis/epm/final_pipeline.ts b/x-pack/test/fleet_api_integration/apis/epm/final_pipeline.ts
index 08327dcdb663c7..8d606d2afc2c10 100644
--- a/x-pack/test/fleet_api_integration/apis/epm/final_pipeline.ts
+++ b/x-pack/test/fleet_api_integration/apis/epm/final_pipeline.ts
@@ -45,7 +45,7 @@ export default function (providerContext: FtrProviderContext) {
       const { body: getPackagesRes } = await supertest.get(
         `/api/fleet/epm/packages?experimental=true`
       );
-      const logPackage = getPackagesRes.response.find((p: any) => p.name === 'log');
+      const logPackage = getPackagesRes.items.find((p: any) => p.name === 'log');
       if (!logPackage) {
         throw new Error('No log package');
       }
diff --git a/x-pack/test/fleet_api_integration/apis/epm/install_error_rollback.ts b/x-pack/test/fleet_api_integration/apis/epm/install_error_rollback.ts
index b3df5031aa3683..9a49958d31d34c 100644
--- a/x-pack/test/fleet_api_integration/apis/epm/install_error_rollback.ts
+++ b/x-pack/test/fleet_api_integration/apis/epm/install_error_rollback.ts
@@ -46,7 +46,7 @@ export default function (providerContext: FtrProviderContext) {
         .expect(422); // the broken package contains a broken visualization triggering a 422 from Kibana
 
       const pkgInfoResponse = await getPackageInfo(pkgName, badPackageVersion);
-      expect(JSON.parse(pkgInfoResponse.text).response.status).to.be('not_installed');
+      expect(JSON.parse(pkgInfoResponse.text).item.status).to.be('not_installed');
     });
 
     it('on an upgrade, it should fall back to the previous good version during rollback', async function () {
@@ -57,8 +57,8 @@ export default function (providerContext: FtrProviderContext) {
         .expect(422); // the broken package contains a broken visualization triggering a 422 from Kibana
 
       const goodPkgInfoResponse = await getPackageInfo(pkgName, goodPackageVersion);
-      expect(JSON.parse(goodPkgInfoResponse.text).response.status).to.be('installed');
-      expect(JSON.parse(goodPkgInfoResponse.text).response.version).to.be('0.1.0');
+      expect(JSON.parse(goodPkgInfoResponse.text).item.status).to.be('installed');
+      expect(JSON.parse(goodPkgInfoResponse.text).item.version).to.be('0.1.0');
     });
   });
 }
diff --git a/x-pack/test/fleet_api_integration/apis/epm/install_overrides.ts b/x-pack/test/fleet_api_integration/apis/epm/install_overrides.ts
index 02308bea40a58c..04477d9f089351 100644
--- a/x-pack/test/fleet_api_integration/apis/epm/install_overrides.ts
+++ b/x-pack/test/fleet_api_integration/apis/epm/install_overrides.ts
@@ -39,7 +39,7 @@ export default function (providerContext: FtrProviderContext) {
         .set('kbn-xsrf', 'xxxx')
         .expect(200);
 
-      const templateName = body.response[0].id;
+      const templateName = body.items[0].id;
 
       const { body: indexTemplateResponse } = await es.transport.request<any>(
         {
diff --git a/x-pack/test/fleet_api_integration/apis/epm/list.ts b/x-pack/test/fleet_api_integration/apis/epm/list.ts
index 908af8469362fd..64adf094927b64 100644
--- a/x-pack/test/fleet_api_integration/apis/epm/list.ts
+++ b/x-pack/test/fleet_api_integration/apis/epm/list.ts
@@ -41,7 +41,7 @@ export default function (providerContext: FtrProviderContext) {
           return response.body;
         };
         const listResponse = await fetchPackageList();
-        expect(listResponse.response.length).not.to.be(0);
+        expect(listResponse.items.length).not.to.be(0);
       });
 
       it('lists all limited packages from the registry', async function () {