diff --git a/test/js/bun/test-macos-app-sandbox.test.ts b/test/js/bun/test-macos-app-sandbox.test.ts
index c71e69732b..98d98974cf 100644
--- a/test/js/bun/test-macos-app-sandbox.test.ts
+++ b/test/js/bun/test-macos-app-sandbox.test.ts
@@ -1,33 +1,9 @@
 import { describe, expect, test } from "bun:test";
-import { copyFileSync } from "fs";
+import { copyFileSync, rmSync } from "fs";
+import { homedir } from "os";
 import { bunEnv, bunExe, isMacOS, tempDir } from "harness";
 import { join } from "path";
 
-const infoPlist = `<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleExecutable</key>
-	<string>bun</string>
-	<key>CFBundleIdentifier</key>
-	<string>dev.bun.test.bun_sandboxed</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>bun_sandboxed</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSupportedPlatforms</key>
-	<array>
-		<string>MacOSX</string>
-	</array>
-	<key>CFBundleVersion</key>
-	<string>1</string>
-</dict>
-</plist>`;
-
 const entitlementsPlist = `<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -45,12 +21,39 @@ const entitlementsPlist = `<?xml version="1.0" encoding="UTF-8"?>
 </dict>
 </plist>`;
 
-async function createSandboxedApp(prefix: string) {
+function makeInfoPlist(bundleId: string) {
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleExecutable</key>
+	<string>bun</string>
+	<key>CFBundleIdentifier</key>
+	<string>${bundleId}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>bun_sandboxed</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSupportedPlatforms</key>
+	<array>
+		<string>MacOSX</string>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>`;
+}
+
+async function createSandboxedApp(prefix: string, bundleId: string) {
   const dir = tempDir(prefix, {
     "entitlements.plist": entitlementsPlist,
     "bun_sandboxed.app": {
       "Contents": {
-        "Info.plist": infoPlist,
+        "Info.plist": makeInfoPlist(bundleId),
         "MacOS": {},
       },
     },
@@ -65,46 +68,60 @@ async function createSandboxedApp(prefix: string) {
   await using codesign = Bun.spawn({
     cmd: ["/usr/bin/codesign", "--entitlements", entitlementsPath, "--force", "-s", "-", appBundlePath],
     env: bunEnv,
-    stderr: "pipe",
+    stdout: "pipe",
+    stderr: "inherit",
   });
   expect(await codesign.exited).toBe(0);
 
-  return { dir, bunPath };
+  return { dir, bunPath, bundleId, containerPath: join(homedir(), "Library", "Containers", bundleId) };
 }
 
 // Modeled after Node.js's test/parallel/test-macos-app-sandbox.js
 describe.skipIf(!isMacOS)("macOS App Sandbox", () => {
   test.concurrent("bun can execute JavaScript inside the app sandbox", async () => {
-    const { dir, bunPath } = await createSandboxedApp("macos-sandbox-test");
+    const { dir, bunPath, containerPath } = await createSandboxedApp("macos-sandbox-test", "dev.bun.test.sandbox_exec");
     using _dir = dir;
 
-    await using proc = Bun.spawn({
-      cmd: [bunPath, "-e", "console.log('hello sandbox')"],
-      env: bunEnv,
-      stderr: "pipe",
-    });
+    try {
+      await using proc = Bun.spawn({
+        cmd: [bunPath, "-e", "console.log('hello sandbox')"],
+        env: bunEnv,
+        stdout: "pipe",
+        stderr: "inherit",
+      });
 
-    const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
+      const [stdout, exitCode] = await Promise.all([proc.stdout.text(), proc.exited]);
 
-    expect(stdout.trim()).toBe("hello sandbox");
-    expect(exitCode).toBe(0);
+      expect(stdout.trim()).toBe("hello sandbox");
+      expect(exitCode).toBe(0);
+    } finally {
+      rmSync(containerPath, { recursive: true, force: true });
+    }
   });
 
   test.concurrent("sandboxed bun runs inside the sandbox container", async () => {
-    const { dir, bunPath } = await createSandboxedApp("macos-sandbox-test-container");
+    const { dir, bunPath, bundleId, containerPath } = await createSandboxedApp(
+      "macos-sandbox-test-container",
+      "dev.bun.test.sandbox_container",
+    );
     using _dir = dir;
 
-    // When running inside a macOS App Sandbox, os.homedir() should return
-    // the sandbox container path, not the real home directory.
-    await using proc = Bun.spawn({
-      cmd: [bunPath, "-e", "console.log(require('os').homedir())"],
-      env: bunEnv,
-      stderr: "pipe",
-    });
+    try {
+      // When running inside a macOS App Sandbox, os.homedir() should return
+      // the sandbox container path, not the real home directory.
+      await using proc = Bun.spawn({
+        cmd: [bunPath, "-e", "console.log(require('os').homedir())"],
+        env: bunEnv,
+        stdout: "pipe",
+        stderr: "inherit",
+      });
 
-    const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
+      const [stdout, exitCode] = await Promise.all([proc.stdout.text(), proc.exited]);
 
-    expect(stdout.trim()).toContain("Library/Containers/dev.bun.test.bun_sandboxed");
-    expect(exitCode).toBe(0);
+      expect(stdout.trim()).toContain(`Library/Containers/${bundleId}`);
+      expect(exitCode).toBe(0);
+    } finally {
+      rmSync(containerPath, { recursive: true, force: true });
+    }
   });
 });