diff --git a/packages/core-app-api/src/app/AppManager.compat.test.tsx b/packages/core-app-api/src/app/AppManager.compat.test.tsx
index bdebd79dc4..a0f27d751b 100644
--- a/packages/core-app-api/src/app/AppManager.compat.test.tsx
+++ b/packages/core-app-api/src/app/AppManager.compat.test.tsx
@@ -81,7 +81,10 @@ describe.each(['beta', 'stable'])('react-router %s', rrVersion => {
         configLoader: async () => [
           {
             context: 'test',
-            data: { app: { baseUrl: 'http://localhost/foo' } },
+            data: {
+              app: { baseUrl: 'http://localhost/foo' },
+              backend: { baseUrl: 'http://localhost' },
+            },
           },
         ],
         bindRoutes: () => {},
diff --git a/packages/core-app-api/src/app/AppManager.stable.test.tsx b/packages/core-app-api/src/app/AppManager.stable.test.tsx
index a9948a6070..8c60293391 100644
--- a/packages/core-app-api/src/app/AppManager.stable.test.tsx
+++ b/packages/core-app-api/src/app/AppManager.stable.test.tsx
@@ -62,7 +62,10 @@ describe('AppManager', () => {
       configLoader: async () => [
         {
           context: 'test',
-          data: { app: { baseUrl: 'http://localhost/foo' } },
+          data: {
+            app: { baseUrl: 'http://localhost/foo' },
+            backend: { baseUrl: 'http://localhost' },
+          },
         },
       ],
     });
@@ -94,7 +97,10 @@ describe('AppManager', () => {
       configLoader: async () => [
         {
           context: 'test',
-          data: { app: { baseUrl: 'http://localhost/foo' } },
+          data: {
+            app: { baseUrl: 'http://localhost/foo' },
+            backend: { baseUrl: 'http://localhost' },
+          },
         },
       ],
     });