diff --git a/test/test-utils/test-utils.ts b/test/test-utils/test-utils.ts
index 883d1fa7ebe..e83d832f28b 100644
--- a/test/test-utils/test-utils.ts
+++ b/test/test-utils/test-utils.ts
@@ -115,6 +115,7 @@ export function createTestClient(): MatrixClient {
         },
 
         getCrypto: jest.fn().mockReturnValue({
+            checkKeyBackupAndEnable: jest.fn().mockResolvedValue(null),
             getOwnDeviceKeys: jest.fn(),
             getUserDeviceInfo: jest.fn().mockResolvedValue(new Map()),
             getUserVerificationStatus: jest.fn(),