diff --git a/src/cron/service.issue-regressions.test.ts b/src/cron/service.issue-regressions.test.ts
index 1625de80faa..45211389fc1 100644
--- a/src/cron/service.issue-regressions.test.ts
+++ b/src/cron/service.issue-regressions.test.ts
@@ -20,11 +20,11 @@ import {
 import type { CronJob, CronJobState } from "./types.js";
 
 const noopLogger = {
-  info: vi.fn(),
-  warn: vi.fn(),
-  error: vi.fn(),
-  debug: vi.fn(),
-  trace: vi.fn(),
+  info: () => {},
+  warn: () => {},
+  error: () => {},
+  debug: () => {},
+  trace: () => {},
 };
 const TOP_OF_HOUR_STAGGER_MS = 5 * 60 * 1_000;
 const FAST_TIMEOUT_SECONDS = 0.0025;
@@ -447,7 +447,7 @@ describe("Cron issue regressions", () => {
     const now = Date.parse("2026-02-06T10:05:00.000Z");
     const state = createRunningCronServiceState({
       storePath: store.storePath,
-      log: noopLogger,
+      log: noopLogger as unknown as Parameters<typeof createRunningCronServiceState>[0]["log"],
       nowMs: () => now,
       jobs: [createDueIsolatedJob({ id: "due", nowMs: now, nextRunAtMs: now - 1 })],
     });
diff --git a/src/security/audit.test.ts b/src/security/audit.test.ts
index 86caf8d2984..fd61d97b97f 100644
--- a/src/security/audit.test.ts
+++ b/src/security/audit.test.ts
@@ -149,7 +149,7 @@ function expectNoFinding(res: SecurityAuditReport, checkId: string): void {
 describe("security audit", () => {
   let fixtureRoot = "";
   let caseId = 0;
-  let channelSecurityStateDir = "";
+  let channelSecurityRoot = "";
   let sharedCodeSafetyStateDir = "";
   let sharedCodeSafetyWorkspaceDir = "";
   let sharedExtensionsStateDir = "";
@@ -162,12 +162,11 @@ describe("security audit", () => {
   };
 
   const withChannelSecurityStateDir = async (fn: (tmp: string) => Promise<void>) => {
+    const channelSecurityStateDir = path.join(channelSecurityRoot, `state-${caseId++}`);
     const credentialsDir = path.join(channelSecurityStateDir, "credentials");
-    await fs.rm(credentialsDir, { recursive: true, force: true });
     await fs.mkdir(credentialsDir, { recursive: true, mode: 0o700 });
-    await withEnvAsync(
-      { OPENCLAW_STATE_DIR: channelSecurityStateDir },
-      async () => await fn(channelSecurityStateDir),
+    await withEnvAsync({ OPENCLAW_STATE_DIR: channelSecurityStateDir }, () =>
+      fn(channelSecurityStateDir),
     );
   };
 
@@ -213,11 +212,8 @@ description: test skill
 
   beforeAll(async () => {
     fixtureRoot = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-security-audit-"));
-    channelSecurityStateDir = path.join(fixtureRoot, "channel-security");
-    await fs.mkdir(path.join(channelSecurityStateDir, "credentials"), {
-      recursive: true,
-      mode: 0o700,
-    });
+    channelSecurityRoot = path.join(fixtureRoot, "channel-security");
+    await fs.mkdir(channelSecurityRoot, { recursive: true, mode: 0o700 });
     const codeSafetyFixture = await createSharedCodeSafetyFixture();
     sharedCodeSafetyStateDir = codeSafetyFixture.stateDir;
     sharedCodeSafetyWorkspaceDir = codeSafetyFixture.workspaceDir;