diff --git a/test/intl402/Locale/invalid-tag-throws-symbol.js b/test/intl402/Locale/invalid-tag-throws-symbol.js
index a56882e47b14b096378e0e97999b0b38cb62234d..d99264671df54e6f7c64fc671347c80117af4880 100644
--- a/test/intl402/Locale/invalid-tag-throws-symbol.js
+++ b/test/intl402/Locale/invalid-tag-throws-symbol.js
@@ -9,7 +9,7 @@ info: |
     Intl.Locale( tag [, options] )
 
     7. If Type(tag) is not String or Object, throw a TypeError exception.
-features: [Intl.Locale]
+features: [Intl.Locale, Symbol]
 ---*/
 
 assert.throws(TypeError, function() {
diff --git a/test/intl402/Locale/prop-desc.js b/test/intl402/Locale/prop-desc.js
index 7be47a352c50bda545d8127f69e53cb8d5532da0..53e108314be5cb1812d291fc0fe5d3f1c6d5d51b 100644
--- a/test/intl402/Locale/prop-desc.js
+++ b/test/intl402/Locale/prop-desc.js
@@ -4,23 +4,30 @@
 /*---
 esid: sec-intl.locale
 description: >
-    The value of the [[Prototype]] internal slot of the Intl.Locale constructor is the
-    intrinsic object %FunctionPrototype%.
+  "Locale" property of Intl.
 info: |
-  The value of Intl.Locale.prototype is %LocalePrototype%.
+  Intl.Locale (...)
 
-  This property has the attributes
-  { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+  7 Requirements for Standard Built-in ECMAScript Objects
+
+    Unless specified otherwise in this document, the objects, functions, and constructors
+    described in this standard are subject to the generic requirements and restrictions
+    specified for standard built-in ECMAScript objects in the ECMAScript 2018 Language
+    Specification, 9th edition, clause 17, or successor.
+
+  17 ECMAScript Standard Built-in Objects:
+
+    Every other data property described in clauses 18 through 26 and in Annex B.2 has the
+    attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }
+    unless otherwise specified.
 
 includes: [propertyHelper.js]
 features: [Intl.Locale]
 ---*/
 
-assert.sameValue(typeof Intl.Locale, "function", "typeof Intl.Locale is function");
-
 verifyProperty(Intl, "Locale", {
   value: Intl.Locale,
-  writable: false,
+  writable: true,
   enumerable: false,
-  configurable: false,
+  configurable: true,
 });
diff --git a/test/intl402/Locale/prototype/maximize/length.js b/test/intl402/Locale/prototype/maximize/length.js
index dc59be0d579d361c22952e01704373f2be4d03f5..3d874b02e8e93fef7b2dc6d7e4ead8be06832f1a 100644
--- a/test/intl402/Locale/prototype/maximize/length.js
+++ b/test/intl402/Locale/prototype/maximize/length.js
@@ -15,7 +15,7 @@ features: [Intl.Locale]
 ---*/
 
 verifyProperty(Intl.Locale.prototype.maximize, 'length', {
-  value: 1,
+  value: 0,
   writable: false,
   enumerable: false,
   configurable: true
diff --git a/test/intl402/Locale/prototype/maximize/prop-desc.js b/test/intl402/Locale/prototype/maximize/prop-desc.js
index c5ff64d6e447705de180cc6d1d1245c061020f36..0dc72e02f8b95a4f1370e0524445854e95fc6623 100644
--- a/test/intl402/Locale/prototype/maximize/prop-desc.js
+++ b/test/intl402/Locale/prototype/maximize/prop-desc.js
@@ -16,14 +16,14 @@ features: [Intl.Locale]
 ---*/
 
 assert.sameValue(
-    typeof Intl.Locale.prototype.maximize,
-    'function',
-    "typeof Intl.Locale.prototype.maximize is function"
+  typeof Intl.Locale.prototype.maximize,
+  'function',
+  'typeof Intl.Locale.prototype.maximize is function'
 );
 
 verifyProperty(Intl.Locale.prototype, 'maximize', {
   writable: true,
   enumerable: false,
-  configurable: false,
+  configurable: true,
 });