diff --git a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-rejected-return.js b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-rejected-return.js
index 48eaf1ae48d..5a39b2bc50a 100644
--- a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-rejected-return.js
+++ b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-rejected-return.js
@@ -12,6 +12,7 @@ info: |
     b. IfAbruptRejectPromise(result, promiseCapability).
     ...
 
+flags: [async]
 features: [explicit-resource-management]
 includes: [asyncHelpers.js]
 ---*/
diff --git a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return-getter.js b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return-getter.js
index 43b4e8a59da..a54cd4ff6f9 100644
--- a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return-getter.js
+++ b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return-getter.js
@@ -12,6 +12,7 @@ info: |
   4. IfAbruptRejectPromise(return, promiseCapability).
   ...
 
+flags: [async]
 features: [explicit-resource-management]
 includes: [asyncHelpers.js]
 ---*/
diff --git a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return.js b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return.js
index 125f4edb0a5..91d6b2ce564 100644
--- a/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return.js
+++ b/test/built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return.js
@@ -12,6 +12,7 @@ info: |
     b. IfAbruptRejectPromise(result, promiseCapability).
     ...
 
+flags: [async]
 features: [explicit-resource-management]
 includes: [asyncHelpers.js]
 ---*/