test: dedupe discord retry delivery setup

src/discord/monitor/reply-delivery.test.ts

@@ -27,6 +27,22 @@ describe("deliverDiscordReply", () => {
   const cfg = {
     channels: { discord: { token: "test-token" } },
   } as OpenClawConfig;
+  const expectBotSendRetrySuccess = async (status: number, message: string) => {
+    sendMessageDiscordMock
+      .mockRejectedValueOnce(Object.assign(new Error(message), { status }))
+      .mockResolvedValueOnce({ messageId: "msg-1", channelId: "channel-1" });
+
+    await deliverDiscordReply({
+      replies: [{ text: "retry me" }],
+      target: "channel:123",
+      token: "token",
+      runtime,
+      cfg,
+      textLimit: 2000,
+    });
+
+    expect(sendMessageDiscordMock).toHaveBeenCalledTimes(2);
+  };
   const createBoundThreadBindings = async (
     overrides: Partial<{
       threadId: string;
@@ -319,39 +335,11 @@ describe("deliverDiscordReply", () => {
   });
 
   it("retries bot send on 429 rate limit then succeeds", async () => {
-    const rateLimitErr = Object.assign(new Error("rate limited"), { status: 429 });
-    sendMessageDiscordMock
-      .mockRejectedValueOnce(rateLimitErr)
-      .mockResolvedValueOnce({ messageId: "msg-1", channelId: "channel-1" });
-
-    await deliverDiscordReply({
-      replies: [{ text: "retry me" }],
-      target: "channel:123",
-      token: "token",
-      runtime,
-      cfg,
-      textLimit: 2000,
-    });
-
-    expect(sendMessageDiscordMock).toHaveBeenCalledTimes(2);
+    await expectBotSendRetrySuccess(429, "rate limited");
   });
 
   it("retries bot send on 500 server error then succeeds", async () => {
-    const serverErr = Object.assign(new Error("internal"), { status: 500 });
-    sendMessageDiscordMock
-      .mockRejectedValueOnce(serverErr)
-      .mockResolvedValueOnce({ messageId: "msg-1", channelId: "channel-1" });
-
-    await deliverDiscordReply({
-      replies: [{ text: "retry me" }],
-      target: "channel:123",
-      token: "token",
-      runtime,
-      cfg,
-      textLimit: 2000,
-    });
-
-    expect(sendMessageDiscordMock).toHaveBeenCalledTimes(2);
+    await expectBotSendRetrySuccess(500, "internal");
   });
 
   it("does not retry on 4xx client errors", async () => {