Add missing Symbol.match feature flags

test/built-ins/RegExp/prototype/Symbol.match/length.js

@@ -16,6 +16,7 @@ info: >
     object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [Symbol.match]
 ---*/
 
 assert.sameValue(RegExp.prototype[Symbol.match].length, 1);

test/built-ins/RegExp/prototype/Symbol.match/name.js

@@ -14,6 +14,7 @@ info: >
     object, if it exists, has the attributes { [[Writable]]: false,
     [[Enumerable]]: false, [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [Symbol.match]
 ---*/
 
 assert.sameValue(RegExp.prototype[Symbol.match].name, '[Symbol.match]');

test/built-ins/RegExp/prototype/Symbol.match/prop-desc.js

@@ -11,6 +11,7 @@ info: >
     B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
     [[Configurable]]: true } unless otherwise specified.
 includes: [propertyHelper.js]
+features: [Symbol.match]
 ---*/
 
 verifyNotEnumerable(RegExp.prototype, Symbol.match);