1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/Calendar/prototype/monthDayFromFields/shell.js b/js/src/tests/test262/intl402/Temporal/Calendar/prototype/monthDayFromFields/shell.js
index 60f74c2518..5265d86aa2 100644
--- a/js/src/tests/test262/intl402/Temporal/Calendar/prototype/monthDayFromFields/shell.js
+++ b/js/src/tests/test262/intl402/Temporal/Calendar/prototype/monthDayFromFields/shell.js
@@ -2022,6 +2022,9 @@ var TemporalHelpers = {
         "11-18junk",
         "11-18[u-ca=gregory]",
         "11-18[u-ca=hebrew]",
+        "11-18[U-CA=iso8601]",
+        "11-18[u-CA=iso8601]",
+        "11-18[FOO=bar]",
       ];
     },
 
@@ -2109,6 +2112,11 @@ var TemporalHelpers = {
     plainYearMonthStringsInvalid() {
       return [
         "2020-13",
+        "1976-11[u-ca=gregory]",
+        "1976-11[u-ca=hebrew]",
+        "1976-11[U-CA=iso8601]",
+        "1976-11[u-CA=iso8601]",
+        "1976-11[FOO=bar]",
       ];
     },