Fix Upload tests

ng2-components/ng2-alfresco-upload/src/assets/AlfrescoApi.mock.ts

@@ -21,10 +21,13 @@ export class AlfrescoApiMock {
         return {authentications: {basicAuth: {password: 'fake-password', type: 'fake-basic', username: 'fake-user'}}};
     }
 
-}
-export module AlfrescoApiMock {
+    static get NodesApi() {
+        return NodesApiMock;
+    }
 
-    export class NodesApi {
+}
+
+export class NodesApiMock {
 
     constructor(alfrescoClient: any) {
     }
@@ -54,6 +57,4 @@ export module AlfrescoApiMock {
         }
     }
 
-    }
-
 }