diff --git a/extensions/acpx/src/service.test.ts b/extensions/acpx/src/service.test.ts
index 1a4f3742126..022c7d7deab 100644
--- a/extensions/acpx/src/service.test.ts
+++ b/extensions/acpx/src/service.test.ts
@@ -544,9 +544,7 @@ describe("createAcpxRuntimeService", () => {
     await service.start(ctx);
 
     expect(ctx.logger.warn).toHaveBeenCalledWith(
-      expect.stringContaining(
-        "embedded acpx runtime ignores legacy compatibility config: queueOwnerTtlSeconds, strictWindowsCmdWrapper=false",
-      ),
+      "embedded acpx runtime ignores legacy compatibility config: queueOwnerTtlSeconds, strictWindowsCmdWrapper=false",
     );
 
     await service.stop?.(ctx);