diff --git a/extensions/browser/src/browser/chrome.test.ts b/extensions/browser/src/browser/chrome.test.ts
index c28332e0273..9810b4005b0 100644
--- a/extensions/browser/src/browser/chrome.test.ts
+++ b/extensions/browser/src/browser/chrome.test.ts
@@ -440,7 +440,7 @@ describe("browser chrome helpers", () => {
       wsPath: "/devtools/browser/stale-diagnostic",
       onConnection: (wss) => wss.on("connection", (_ws) => {}),
       run: async (baseUrl) => {
-        const diagnostic = await diagnoseChromeCdp(baseUrl, 300, 5);
+        const diagnostic = await diagnoseChromeCdp(baseUrl, 300, 50);
         expect(diagnostic).toMatchObject({
           ok: false,
           code: "websocket_health_command_timeout",
diff --git a/test/helpers/temp-repo.ts b/test/helpers/temp-repo.ts
index 9a2a8ca33cf..8be69cbc14e 100644
--- a/test/helpers/temp-repo.ts
+++ b/test/helpers/temp-repo.ts
@@ -15,6 +15,6 @@ export function writeJsonFile(filePath: string, value: unknown): void {
 
 export function cleanupTempDirs(tempDirs: string[]): void {
   for (const dir of tempDirs.splice(0)) {
-    fs.rmSync(dir, { recursive: true, force: true });
+    fs.rmSync(dir, { recursive: true, force: true, maxRetries: 5, retryDelay: 20 });
   }
 }