diff --git a/src/cron/isolated-agent/run.sandbox-config-preserved.test.ts b/src/cron/isolated-agent/run.sandbox-config-preserved.test.ts
index a08f2ec3991b..0fa63c4a72bb 100644
--- a/src/cron/isolated-agent/run.sandbox-config-preserved.test.ts
+++ b/src/cron/isolated-agent/run.sandbox-config-preserved.test.ts
@@ -78,10 +78,9 @@ describe("runCronIsolatedAgentTurn sandbox config preserved", () => {
       tools: undefined,
     });
     expectDefaultSandboxPreserved(runCfg);
-    expect(resolveSandboxConfigForAgent(runCfg, "worker")).toMatchObject({
-      mode: "all",
-      workspaceAccess: "rw",
-    });
+    const resolvedSandbox = resolveSandboxConfigForAgent(runCfg, "worker");
+    expect(resolvedSandbox.mode).toBe("all");
+    expect(resolvedSandbox.workspaceAccess).toBe("rw");
   });
 
   it("keeps global sandbox defaults when agent override is partial", () => {
@@ -103,20 +102,14 @@ describe("runCronIsolatedAgentTurn sandbox config preserved", () => {
     expectDefaultSandboxPreserved(runCfg);
     expect(resolvedSandbox.mode).toBe("all");
     expect(resolvedSandbox.workspaceAccess).toBe("rw");
-    expect(resolvedSandbox.docker).toMatchObject({
-      image: "ghcr.io/openclaw/sandbox:custom",
-      network: "none",
-      dangerouslyAllowContainerNamespaceJoin: true,
-      dangerouslyAllowExternalBindSources: true,
-    });
-    expect(resolvedSandbox.browser).toMatchObject({
-      enabled: true,
-      image: "ghcr.io/openclaw/browser:custom",
-      autoStart: false,
-    });
-    expect(resolvedSandbox.prune).toMatchObject({
-      idleHours: 1,
-      maxAgeDays: 7,
-    });
+    expect(resolvedSandbox.docker.image).toBe("ghcr.io/openclaw/sandbox:custom");
+    expect(resolvedSandbox.docker.network).toBe("none");
+    expect(resolvedSandbox.docker.dangerouslyAllowContainerNamespaceJoin).toBe(true);
+    expect(resolvedSandbox.docker.dangerouslyAllowExternalBindSources).toBe(true);
+    expect(resolvedSandbox.browser.enabled).toBe(true);
+    expect(resolvedSandbox.browser.image).toBe("ghcr.io/openclaw/browser:custom");
+    expect(resolvedSandbox.browser.autoStart).toBe(false);
+    expect(resolvedSandbox.prune.idleHours).toBe(1);
+    expect(resolvedSandbox.prune.maxAgeDays).toBe(7);
   });
 });