diff --git a/test/intl402/DurationFormat/prototype/format/invalid-arguments-throws.js b/test/intl402/DurationFormat/prototype/format/invalid-arguments-throws.js
index abb124357d..c579cceb97 100644
--- a/test/intl402/DurationFormat/prototype/format/invalid-arguments-throws.js
+++ b/test/intl402/DurationFormat/prototype/format/invalid-arguments-throws.js
@@ -9,6 +9,7 @@ info: |
   Intl.DurationFormat.prototype.format(duration)
   (...)
   3. Let record be ? ToDurationRecord(duration)
+features: [Intl.DurationFormat]
 ---*/
 
 const df = new Intl.DurationFormat();
diff --git a/test/intl402/DurationFormat/prototype/formatToParts/invalid-arguments-throws.js b/test/intl402/DurationFormat/prototype/formatToParts/invalid-arguments-throws.js
index 69c4356cf4..88f906dc13 100644
--- a/test/intl402/DurationFormat/prototype/formatToParts/invalid-arguments-throws.js
+++ b/test/intl402/DurationFormat/prototype/formatToParts/invalid-arguments-throws.js
@@ -9,6 +9,7 @@ info: |
   Intl.DurationFormat.prototype.formatToParts(duration)
   (...)
   3. Let record be ? ToDurationRecord(duration)
+features: [Intl.DurationFormat]
 ---*/
 
 const df = new Intl.DurationFormat();