Facebook app needs to post action with a test user but the action is not shown on TL

I created a test app for development mode and i associated 3 test users. Also, i created a custom story graph but the action is not approved by Facebook because it needs to post by a test user.

I tried to post the action with the three test users. The action works fine but is not shown on the wall neither on the TL.

If i check the Activity Log i can see the post but is marked as Allowed on timeline and if i want to show on TL i must edit the post and mark Shown on timeline.

How can i show the post directly on the wall and timeline and get the approve from Facebook?

I post the code for it can be useful for someone:

if (response.status === 'connected') {

    // Post image using the app details
    FB.api(
        'me/{namespace_test}:{action}', 'post', 
        {
            {object}: {
                "url": imageUrl,
                "title": "Sample title",
                "image": imageUrl
            }
        },
        function(response) {
            console.log("post ok");
        }
    );

} else if (response.status === 'not_authorized') {

    FB.login( function( response ) {
    }, {scope: "publish_actions"} );

} else {

    FB.login( function( response ) {
    }, { scope: "public_profile" } );
}