chore(tests): fix broken linker integration test and fix DebugNode export

Fixes two small issues introduced with pr #6555

modules/angular2/test/core/linker/query_integration_spec.ts

@@ -149,7 +149,7 @@ export function main() {
                .createAsync(MyComp)
                .then((view) => {
                  view.detectChanges();
-                 var q = view.debugElement.componentViewChildren[0].getLocal('q');
+                 var q = view.debugElement.children[0].getLocal('q');
 
                  expect(q.log).toEqual([["setter", "foo"], ["init", "foo"], ["check", "foo"]]);
 

modules/angular2/test/public_api_spec.ts

@@ -888,6 +888,24 @@ var NG_CORE = [
   'CyclicDependencyError.message=',
   'CyclicDependencyError.stackTrace',
   'PLATFORM_PIPES:js',
+  'DebugNode',
+  'DebugNode.getLocal()',
+  'DebugNode.inject()',
+  'DebugNode.setDebugInfo()',
+  'DebugNode.componentInstance',
+  'DebugNode.componentInstance=',
+  'DebugNode.injector',
+  'DebugNode.injector=',
+  'DebugNode.listeners',
+  'DebugNode.listeners=',
+  'DebugNode.locals',
+  'DebugNode.locals=',
+  'DebugNode.nativeNode',
+  'DebugNode.nativeNode=',
+  'DebugNode.parent',
+  'DebugNode.parent=',
+  'DebugNode.providerTokens',
+  'DebugNode.providerTokens=',
   'DebugElement',
   'DebugElement.children',
   'DebugElement.attributes',