diff --git a/src/plugins/workspace/server/plugin.test.ts b/src/plugins/workspace/server/plugin.test.ts
index c448fcf209f9..5e919d9c58a0 100644
--- a/src/plugins/workspace/server/plugin.test.ts
+++ b/src/plugins/workspace/server/plugin.test.ts
@@ -5,6 +5,7 @@
 
 import { coreMock } from '../../../core/server/mocks';
 import { WorkspacePlugin } from './plugin';
+import { AppPluginSetupDependencies } from './types';
 
 describe('Workspace server plugin', () => {
   it('#setup', async () => {
@@ -16,9 +17,16 @@ describe('Workspace server plugin', () => {
         enabled: true,
       },
     });
+    const mockApplicationConfig = {
+      getConfigurationClient: jest.fn().mockResolvedValue({}),
+      registerConfigurationClient: jest.fn().mockResolvedValue({}),
+    };
+    const mockDependencies: AppPluginSetupDependencies = {
+      applicationConfig: mockApplicationConfig,
+    };
     setupMock.capabilities.registerProvider.mockImplementationOnce((fn) => (value = fn()));
     const workspacePlugin = new WorkspacePlugin(initializerContextConfigMock);
-    await workspacePlugin.setup(setupMock);
+    await workspacePlugin.setup(setupMock, mockDependencies);
     expect(value).toMatchInlineSnapshot(`
       Object {
         "workspaces": Object {