Auto merge of #15530 - jdm:jstests, r=Ms2ger

Enable js/ tests.

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tests/wpt/include.ini

@@ -35,6 +35,8 @@ skip: true
     skip: true
     [activation]
       skip: false
+[js]
+  skip: false
 [navigation-timing]
   skip: false
 [old-tests]

tests/wpt/metadata/js/builtins/Object.prototype.freeze.html.ini

@@ -0,0 +1,5 @@
+[Object.prototype.freeze.html]
+  type: testharness
+  [Object.freeze 1]
+    expected: FAIL
+

tests/wpt/metadata/js/builtins/Object.prototype.preventExtensions.html.ini

@@ -0,0 +1,5 @@
+[Object.prototype.preventExtensions.html]
+  type: testharness
+  [Object.preventExtensions 1]
+    expected: FAIL
+

tests/wpt/metadata/js/builtins/Object.prototype.seal.html.ini

@@ -0,0 +1,5 @@
+[Object.prototype.seal.html]
+  type: testharness
+  [Object.seal 1]
+    expected: FAIL
+

tests/wpt/metadata/js/builtins/Promise-incumbent-global.sub.html.ini

@@ -0,0 +1,5 @@
+[Promise-incumbent-global.sub.html]
+  type: testharness
+  [Check the incumbent global Promise callbacks are called with]
+    expected: FAIL
+

tests/wpt/metadata/js/builtins/WeakMap.prototype-properties.html.ini

@@ -0,0 +1,5 @@
+[WeakMap.prototype-properties.html]
+  type: testharness
+  [WeakMap.prototype.@@toStringTag]
+    expected: FAIL
+