Testing on application purchase issues. IAP iOS

I have one big problem with testing an IAP purchase.

There are the following steps that I have taken:

• Create application id ( com.domainname.appname )
• Create a Provisioning Development profile with application ID ( com.domainname.appname )
• Create an application in iTunes Connect (package identifier com.domainname.appname )
• IAP Management Create non-consumable products with product ID com.testitem1, com.testitem2, com.testitem3 (readiness to send status for each product)

Configure Xcode Project Settings

• Package ID: com.domainname.appname

• Code Sign Identification: A Provisioning Profile for Development, which I did in step

• Deployment Goal: 4.0

Device

iPod Touch 4gen iOS 5.1.1

Enter the source code

My class support SKProductsRequestDelegate

in - viewDidLoadcallback method I wrote these lines:

if ([SKPaymentQueue canMakePayments])
{
    NSLog(@"YES, I CAN MAKE PAYMENTS");
}
else
{
    NSLog(@"NO, I CAN NOT MAKE PAYMENTS"); 
}

At this point, everything is in order. I can make payments.

Then I try to create a query for my products:

SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers: [NSSet setWithObjects:@"com.testitem1", @"com.testitem2", @"com.testitem3", nil]];
request.delegate = self;
[request start];

At this point, everything is fine, and at the next stage, my request object calls the callback method below:

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response
{
    NSArray *myProduct = response.products;
    NSLog(@"%@", myProduct);
}

But there are no products in the answer, and I do not understand why.

I already have this problem before (I just reset my device and everything worked fine), but in this case I can not understand what is wrong.