Sync test to tc39/proposal-intl-locale-info#99

Author: FrankYFTang

test/intl402/Locale/prototype/getWeekInfo/output-object-keys.js

@@ -12,7 +12,6 @@ info: |
   ...
   6. Perform ! CreateDataPropertyOrThrow(info, "firstDay", wi.[[FirstDay]]).
   7. Perform ! CreateDataPropertyOrThrow(info, "weekend", we).
-  8. Perform ! CreateDataPropertyOrThrow(info, "minimalDays", wi.[[MinimalDays]]).
   ...
   CreateDataProperty ( O, P, V )
   ...
@@ -27,7 +26,7 @@ function isIntegerBetweenOneAndSeven(value) {
   return value === 1 || value === 2 || value === 3 || value === 4 || value === 5 || value === 6 || value === 7;
 }
 
-assert.compareArray(Reflect.ownKeys(result), ['firstDay', 'weekend', 'minimalDays']);
+assert.compareArray(Reflect.ownKeys(result), ['firstDay', 'weekend']);
 
 verifyProperty(result, 'firstDay', {
   writable: true,
@@ -53,12 +52,8 @@ let original = new Intl.Locale('en').getWeekInfo().weekend;
 let sorted = original.slice().sort();
 assert.compareArray(original, sorted);
 
-verifyProperty(result, 'minimalDays', {
-  writable: true,
-  enumerable: true,
-  configurable: true
-});
-assert(
-  isIntegerBetweenOneAndSeven(new Intl.Locale('en').getWeekInfo().minimalDays),
-  '`minimalDays` must be an integer between one and seven (inclusive)'
+assert.sameValue(
+  new Intl.Locale('en').getWeekInfo().minimalDays,
+  undefined,
+  '`minimalDays` is not defined.'
 );