diff --git a/script/run-ci-tests.ts b/script/run-ci-tests.ts
index 5466885ce..116d5e4ff 100644
--- a/script/run-ci-tests.ts
+++ b/script/run-ci-tests.ts
@@ -8,6 +8,7 @@ type CiTestPlan = {
 
 const TEST_ROOTS = ["bin", "script", "src"] as const
 const MODULE_MOCK_PATTERN = "mock.module("
+const ALWAYS_ISOLATED_TEST_FILES = ["src/openclaw/__tests__/reply-listener-discord.test.ts"] as const
 
 async function collectTestFiles(rootDirectory: string): Promise<string[]> {
   const testFiles: string[] = []
@@ -29,13 +30,7 @@ async function usesModuleMock(rootDirectory: string, testFile: string): Promise<
 }
 
 function toIsolatedTarget(testFile: string): string {
-  const pathSegments = testFile.split("/")
-
-  if (pathSegments.length <= 3) {
-    return testFile
-  }
-
-  return pathSegments.slice(0, -1).join("/")
+  return testFile
 }
 
 function isCoveredByTarget(testFile: string, isolatedTarget: string): boolean {
@@ -60,8 +55,11 @@ export async function createCiTestPlan(rootDirectory: string = process.cwd()): P
     }
   }
 
+  const isolatedTestFiles = Array.from(
+    new Set([...isolatedModuleMockFiles, ...ALWAYS_ISOLATED_TEST_FILES.filter((testFile) => allTestFiles.includes(testFile))]),
+  )
   const isolatedTestTargets = collapseNestedTargets(
-    Array.from(new Set(isolatedModuleMockFiles.map((testFile) => toIsolatedTarget(testFile)))).sort((left, right) =>
+    isolatedTestFiles.map((testFile) => toIsolatedTarget(testFile)).sort((left, right) =>
       left.localeCompare(right),
     ),
   )
diff --git a/src/openclaw/__tests__/reply-listener-discord.test.ts b/src/openclaw/__tests__/reply-listener-discord.test.ts
index 357c8fd89..d1bdba01e 100644
--- a/src/openclaw/__tests__/reply-listener-discord.test.ts
+++ b/src/openclaw/__tests__/reply-listener-discord.test.ts
@@ -11,6 +11,7 @@ import type { OpenClawConfig } from "../types"
 
 const originalHome = process.env.HOME
 const originalUserProfile = process.env.USERPROFILE
+const originalFetch = globalThis.fetch
 
 const tempHome = mkdtempSync(join(tmpdir(), "openclaw-reply-listener-discord-"))
 const stateDir = join(tempHome, ".omx", "state")
@@ -60,12 +61,14 @@ describe("pollDiscordReplies", () => {
   beforeEach(() => {
     process.env.HOME = tempHome
     process.env.USERPROFILE = tempHome
+    globalThis.fetch = originalFetch
     rmSync(stateDir, { recursive: true, force: true })
     mkdirSync(stateDir, { recursive: true })
   })
 
   afterEach(() => {
     mock.restore()
+    globalThis.fetch = originalFetch
   })
 
   test("records HTTP failures in daemon state when Discord returns non-ok", async () => {