diff --git a/src/app/article/comment/comments.component.spec.ts b/src/app/article/comment/comments.component.spec.ts
index 771ed50..6ce43c5 100644
--- a/src/app/article/comment/comments.component.spec.ts
+++ b/src/app/article/comment/comments.component.spec.ts
@@ -54,8 +54,8 @@ describe("Components", () => {
             properties.parent = { id: 3 };
             createComponent().then(fixture => {
                 let component = (<CommentsComponent>fixture.debugElement.componentViewChildren[0].componentInstance);
-                component.commentService.onSave.next.call(component, <noosfero.Comment>{ id: 1, reply_of: { id: 3 } });
-                console.log('Comments: ' + component.comments.length);
+                component.commentAdded(<noosfero.Comment>{ id: 1, reply_of: { id: 3 } });
+
                 fixture.detectChanges();
                 expect(fixture.debugElement.queryAll("noosfero-comment").length).toEqual(3);
                 done();
diff --git a/src/app/article/comment/comments.component.ts b/src/app/article/comment/comments.component.ts
index c1153f9..5b85eb2 100644
--- a/src/app/article/comment/comments.component.ts
+++ b/src/app/article/comment/comments.component.ts
@@ -31,20 +31,16 @@ export class CommentsComponent {
         }
 
         this.commentService.onSave.subscribe((comment: noosfero.Comment) => {
-            this.comments.push(comment);
-            this.resetShowReply();
+            this.commentAdded(comment);
         });
     }
 
-    private resetShowReply() {
-        this.comments.forEach((comment: noosfero.CommentViewModel) => {
-            comment.__show_reply = false;
-        });
-        if (this.parent) {
-            this.parent.__show_reply = false;
-        }
+    commentAdded(comment: noosfero.Comment): void {
+        this.comments.push(comment);
+        this.resetShowReply();
     }
 
+
     loadComments() {
         return this.commentService.getByArticle(this.article, { page: this.page, per_page: this.perPage });
     }
@@ -61,4 +57,13 @@ export class CommentsComponent {
         let pages = Math.ceil(this.total / this.perPage);
         return !this.parent && pages >= this.page;
     }
+
+    private resetShowReply() {
+        this.comments.forEach((comment: noosfero.CommentViewModel) => {
+            comment.__show_reply = false;
+        });
+        if (this.parent) {
+            this.parent.__show_reply = false;
+        }
+    }
 }
diff --git a/src/spec/mocks.ts b/src/spec/mocks.ts
index dd8ded7..20cf50e 100644
--- a/src/spec/mocks.ts
+++ b/src/spec/mocks.ts
@@ -131,7 +131,7 @@ export var mocks: any = {
                 mocks.commentService['onSave'].event = fn;
             },
             next: (param: any) => {
-                mocks.commentService['onSave'].event.call(this, param);
+                mocks.commentService['onSave'].event(param);
             }
         }
     },
--
libgit2 0.21.2