diff --git a/test/staging/explicit-resource-management/async-disposable-stack-dispose-async-resolved-by-undefined.js b/test/staging/explicit-resource-management/async-disposable-stack-dispose-async-resolved-by-undefined.js
new file mode 100644
index 0000000000..e32160e1ea
--- /dev/null
+++ b/test/staging/explicit-resource-management/async-disposable-stack-dispose-async-resolved-by-undefined.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2024 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+  AsyncDisposableStack resolved with undefned.
+includes: [asyncHelpers.js]
+flags: [async]
+features: [explicit-resource-management]
+---*/
+
+asyncTest(async function() {
+    async function TestAsyncDisposableStackDefer() {
+      let stack = new AsyncDisposableStack();
+      assert.sameValue(await stack.disposeAsync(), undefined);
+    };
+    await TestAsyncDisposableStackDefer();
+  });
diff --git a/test/staging/explicit-resource-management/disposable-stack-dispose-return-undefined.js b/test/staging/explicit-resource-management/disposable-stack-dispose-return-undefined.js
new file mode 100644
index 0000000000..ccf19280c1
--- /dev/null
+++ b/test/staging/explicit-resource-management/disposable-stack-dispose-return-undefined.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2024 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+  DisposableStack return undefned.
+features: [explicit-resource-management]
+---*/
+
+(function TestDisposableStackDisposeReturnsUndefined() {
+    let stack = new DisposableStack();
+    assert.sameValue(stack.dispose(), undefined);
+})();