test: failing behaviour on sandboxed Proxy

CopyProperties() causes sandboxed Proxy to throw error
when in fact no code has been run. The function will
be removed with the updates to the V8 API.

Here, failing Proxy test case is moved to known_issues.

test/known_issues/test-vm-proxy-failure-CP.js

@@ -0,0 +1,18 @@
+'use strict';
+
+//Sandbox throws in CopyProperties() despite no code being run
+
+require('../common');
+const assert = require('assert');
+const vm = require('vm');
+
+const handler = {
+    getOwnPropertyDescriptor: (target, prop) => {
+      throw new Error('whoops');
+    }
+};
+const sandbox = new Proxy({foo: 'bar'}, handler);
+const context = vm.createContext(sandbox);
+
+
+assert.doesNotThrow(() => vm.runInContext('', context));

test/parallel/test-vm-proxies.js

@@ -16,16 +16,3 @@ sandbox = { Proxy: Proxy };
 vm.runInNewContext('this.Proxy = Proxy', sandbox);
 assert.strictEqual(typeof sandbox.Proxy, 'function');
 assert.strictEqual(sandbox.Proxy, Proxy);
-
-// Handle a sandbox that throws while copying properties
-assert.throws(() => {
-  const handler = {
-    getOwnPropertyDescriptor: (target, prop) => {
-      throw new Error('whoops');
-    }
-  };
-  const sandbox = new Proxy({foo: 'bar'}, handler);
-  const context = vm.createContext(sandbox);
-
-  vm.runInContext('', context);
-}, /whoops/);