diff --git a/extensions/slack/src/outbound-adapter.test.ts b/extensions/slack/src/outbound-adapter.test.ts
index 50fb2059254..e76ca48a745 100644
--- a/extensions/slack/src/outbound-adapter.test.ts
+++ b/extensions/slack/src/outbound-adapter.test.ts
@@ -16,6 +16,7 @@ vi.mock("openclaw/plugin-sdk/plugin-runtime", () => ({
 }));
 
 let slackOutbound: typeof import("./outbound-adapter.js").slackOutbound;
+({ slackOutbound } = await import("./outbound-adapter.js"));
 
 describe("slackOutbound", () => {
   const cfg = {
@@ -27,13 +28,11 @@ describe("slackOutbound", () => {
     },
   };
 
-  beforeEach(async () => {
-    vi.resetModules();
+  beforeEach(() => {
     sendMessageSlackMock.mockReset();
     hasHooksMock.mockReset();
     runMessageSendingMock.mockReset();
     hasHooksMock.mockReturnValue(false);
-    ({ slackOutbound } = await import("./outbound-adapter.js"));
   });
 
   it("sends payload media first, then finalizes with blocks", async () => {
diff --git a/test/fixtures/test-timings.channels.json b/test/fixtures/test-timings.channels.json
index 2630668594a..271cd4e59e7 100644
--- a/test/fixtures/test-timings.channels.json
+++ b/test/fixtures/test-timings.channels.json
@@ -75,6 +75,9 @@
     "extensions/slack/src/monitor/slash.test.ts": {
       "durationMs": 12500
     },
+    "extensions/slack/src/outbound-adapter.test.ts": {
+      "durationMs": 4630
+    },
     "extensions/whatsapp/src/send.test.ts": {
       "durationMs": 2700
     },
@@ -190,7 +193,7 @@
       "durationMs": 950
     },
     "extensions/slack/src/send.upload.test.ts": {
-      "durationMs": 923
+      "durationMs": 10010
     },
     "extensions/telegram/src/bot-native-commands.registry.test.ts": {
       "durationMs": 842