diff --git a/src/gateway/channel-health-monitor.test.ts b/src/gateway/channel-health-monitor.test.ts
index 6f7c8104874..32052af5745 100644
--- a/src/gateway/channel-health-monitor.test.ts
+++ b/src/gateway/channel-health-monitor.test.ts
@@ -106,6 +106,24 @@ function createSlackSnapshotManager(
   );
 }
 
+function createBusyDisconnectedManager(lastRunActivityAt: number): ChannelManager {
+  const now = Date.now();
+  return createSnapshotManager({
+    discord: {
+      default: {
+        running: true,
+        connected: false,
+        enabled: true,
+        configured: true,
+        lastStartAt: now - 300_000,
+        activeRuns: 1,
+        busy: true,
+        lastRunActivityAt,
+      },
+    },
+  });
+}
+
 async function expectRestartedChannel(
   manager: ChannelManager,
   channel: ChannelId,
@@ -250,39 +268,13 @@ describe("channel-health-monitor", () => {
 
   it("restarts busy channels when run activity is stale", async () => {
     const now = Date.now();
-    const manager = createSnapshotManager({
-      discord: {
-        default: {
-          running: true,
-          connected: false,
-          enabled: true,
-          configured: true,
-          lastStartAt: now - 300_000,
-          activeRuns: 1,
-          busy: true,
-          lastRunActivityAt: now - 26 * 60_000,
-        },
-      },
-    });
+    const manager = createBusyDisconnectedManager(now - 26 * 60_000);
     await expectRestartedChannel(manager, "discord");
   });
 
   it("restarts disconnected channels when busy flags are inherited from a prior lifecycle", async () => {
     const now = Date.now();
-    const manager = createSnapshotManager({
-      discord: {
-        default: {
-          running: true,
-          connected: false,
-          enabled: true,
-          configured: true,
-          lastStartAt: now - 300_000,
-          activeRuns: 1,
-          busy: true,
-          lastRunActivityAt: now - 301_000,
-        },
-      },
-    });
+    const manager = createBusyDisconnectedManager(now - 301_000);
     await expectRestartedChannel(manager, "discord");
   });
 
diff --git a/src/gateway/channel-health-policy.test.ts b/src/gateway/channel-health-policy.test.ts
index 0a2c34604fa..359190cd8c6 100644
--- a/src/gateway/channel-health-policy.test.ts
+++ b/src/gateway/channel-health-policy.test.ts
@@ -1,6 +1,19 @@
 import { describe, expect, it } from "vitest";
 import { evaluateChannelHealth, resolveChannelRestartReason } from "./channel-health-policy.js";
 
+function evaluateDiscordHealth(
+  account: Record<string, unknown>,
+  now = 100_000,
+  channelId = "discord",
+) {
+  return evaluateChannelHealth(account, {
+    channelId,
+    now,
+    channelConnectGraceMs: 10_000,
+    staleEventThresholdMs: 30_000,
+  });
+}
+
 describe("evaluateChannelHealth", () => {
   it("treats disabled accounts as healthy unmanaged", () => {
     const evaluation = evaluateChannelHealth(
@@ -144,48 +157,32 @@ describe("evaluateChannelHealth", () => {
   });
 
   it("skips stale-socket detection for channels in webhook mode", () => {
-    const evaluation = evaluateChannelHealth(
-      {
-        running: true,
-        connected: true,
-        enabled: true,
-        configured: true,
-        lastStartAt: 0,
-        lastEventAt: 0,
-        mode: "webhook",
-      },
-      {
-        channelId: "discord",
-        now: 100_000,
-        channelConnectGraceMs: 10_000,
-        staleEventThresholdMs: 30_000,
-      },
-    );
+    const evaluation = evaluateDiscordHealth({
+      running: true,
+      connected: true,
+      enabled: true,
+      configured: true,
+      lastStartAt: 0,
+      lastEventAt: 0,
+      mode: "webhook",
+    });
     expect(evaluation).toEqual({ healthy: true, reason: "healthy" });
   });
 
   it("does not flag stale sockets for channels without event tracking", () => {
-    const evaluation = evaluateChannelHealth(
-      {
-        running: true,
-        connected: true,
-        enabled: true,
-        configured: true,
-        lastStartAt: 0,
-        lastEventAt: null,
-      },
-      {
-        channelId: "discord",
-        now: 100_000,
-        channelConnectGraceMs: 10_000,
-        staleEventThresholdMs: 30_000,
-      },
-    );
+    const evaluation = evaluateDiscordHealth({
+      running: true,
+      connected: true,
+      enabled: true,
+      configured: true,
+      lastStartAt: 0,
+      lastEventAt: null,
+    });
     expect(evaluation).toEqual({ healthy: true, reason: "healthy" });
   });
 
   it("does not flag stale sockets without an active connected socket", () => {
-    const evaluation = evaluateChannelHealth(
+    const evaluation = evaluateDiscordHealth(
       {
         running: true,
         enabled: true,
@@ -193,18 +190,14 @@ describe("evaluateChannelHealth", () => {
         lastStartAt: 0,
         lastEventAt: 0,
       },
-      {
-        channelId: "slack",
-        now: 75_000,
-        channelConnectGraceMs: 10_000,
-        staleEventThresholdMs: 30_000,
-      },
+      75_000,
+      "slack",
     );
     expect(evaluation).toEqual({ healthy: true, reason: "healthy" });
   });
 
   it("ignores inherited event timestamps from a previous lifecycle", () => {
-    const evaluation = evaluateChannelHealth(
+    const evaluation = evaluateDiscordHealth(
       {
         running: true,
         connected: true,
@@ -213,12 +206,8 @@ describe("evaluateChannelHealth", () => {
         lastStartAt: 50_000,
         lastEventAt: 10_000,
       },
-      {
-        channelId: "slack",
-        now: 75_000,
-        channelConnectGraceMs: 10_000,
-        staleEventThresholdMs: 30_000,
-      },
+      75_000,
+      "slack",
     );
     expect(evaluation).toEqual({ healthy: true, reason: "healthy" });
   });