Check for undefined _privateRenderableInvoker

Author: andyhot

lib/engines/classic/test-file-info.js

@@ -51,7 +51,7 @@ Object.defineProperty(TestFileInfo.prototype, 'destRelativePath', {
       var renderableName = path.join(this.namespace, this.name);
       var privateRenderableInvoker = this._fileInfoCollection.detectPrivateRenderableInvoker(renderableName);
 
-      if (privateRenderableInvoker) {
+      if (privateRenderableInvoker && this._privateRenderableInvoker) {
         var invokerLocation = path.dirname(this._privateRenderableInvoker.destRelativePath);
         var invokerInComponentsCollection = privateRenderableInvoker.collection === 'components';
         var invokerInPrivateCollection = invokerLocation.indexOf('-components') > -1;