[modules] Update a test and status file to reflect recent spec changes.

test/mjsunit/modules-namespace1.js

Index: test/mjsunit/modules-namespace1.js
diff --git a/test/mjsunit/modules-namespace1.js b/test/mjsunit/modules-namespace1.js
index 8406efe61ed3546a0e481b90a0d8aa71170c61fb..9c2ce93504e65ef7ef0194e4e8b5e3280fb45a4a 100644
--- a/test/mjsunit/modules-namespace1.js
+++ b/test/mjsunit/modules-namespace1.js
@@ -48,8 +48,10 @@ assertEquals("string", typeof Reflect.get(foo, Symbol.toStringTag));
 assertEquals(
     {value: "Module", configurable: false, writable: false, enumerable: false},
     Reflect.getOwnPropertyDescriptor(foo, Symbol.toStringTag));
-// TODO(neis): Spec currently says the next one should return true.
 assertFalse(Reflect.deleteProperty(foo, Symbol.toStringTag));
+assertEquals(
+    {value: "Module", configurable: false, writable: false, enumerable: false},
+    Reflect.getOwnPropertyDescriptor(foo, Symbol.toStringTag));
 
 // Nonexistant properties.
 let nonexistant = ["gaga", 123, Symbol('')];