Intl.Locale.prototype.numeric: the feature is not optional, therefore the tests are not optional

test/intl402/Locale/constructor-options-numeric-undefined.js

@@ -45,9 +45,7 @@ assert.sameValue(
   "en-u-kn-true",
 );
 
-if ("numeric" in Intl.Locale.prototype) {
-  assert.sameValue(
-    new Intl.Locale('en-u-kf-lower', options).numeric,
-    undefined,
-  );
-}
+assert.sameValue(
+  new Intl.Locale('en-u-kf-lower', options).numeric,
+  undefined,
+);

test/intl402/Locale/constructor-options-numeric-valid.js

@@ -46,21 +46,21 @@ const validNumericOptions = [
   [{ valueOf() { return false; } }, true],
 ];
 for (const [numeric, expected] of validNumericOptions) {
-  const options = { numeric };
+  let options = { numeric };
+  let expect = `en-u-kn-${expected}`;
+
   assert.sameValue(
     new Intl.Locale('en', options).toString(),
-    "en-u-kn-" + expected
+    expect
   );
 
   assert.sameValue(
     new Intl.Locale('en-u-kn-true', options).toString(),
-    "en-u-kn-" + expected
+    expect
   );
 
-  if ("numeric" in Intl.Locale.prototype) {
-    assert.sameValue(
-      new Intl.Locale('en-u-kf-lower', options).numeric,
-      expected
-    );
-  }
+  assert.sameValue(
+    new Intl.Locale('en-u-kf-lower', options).numeric,
+    expected
+  );
 }

test/intl402/Locale/prototype/numeric/name.js

@@ -13,13 +13,10 @@ includes: [propertyHelper.js]
 features: [Intl.Locale]
 ---*/
 
-const propdesc = Object.getOwnPropertyDescriptor(Intl.Locale.prototype, "numeric");
-if (propdesc !== undefined) {
-  const getter = propdesc.get;
-  verifyProperty(getter, "name", {
-    value: "get numeric",
-    writable: false,
-    enumerable: false,
-    configurable: true,
-  });
-}
+const getter = Object.getOwnPropertyDescriptor(Intl.Locale.prototype, "numeric").get;
+verifyProperty(getter, "name", {
+  value: "get numeric",
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});

test/intl402/Locale/prototype/numeric/prop-desc.js

@@ -16,12 +16,10 @@ features: [Intl.Locale]
 ---*/
 
 const propdesc = Object.getOwnPropertyDescriptor(Intl.Locale.prototype, "numeric");
-if (propdesc) {
-  assert.sameValue(propdesc.set, undefined);
-  assert.sameValue(typeof propdesc.get, "function");
+assert.sameValue(propdesc.set, undefined);
+assert.sameValue(typeof propdesc.get, "function");
 
-  verifyProperty(Intl.Locale.prototype, "numeric", {
-    enumerable: false,
-    configurable: true,
-  });
-}
+verifyProperty(Intl.Locale.prototype, "numeric", {
+  enumerable: false,
+  configurable: true,
+});