> Sure. Because anniversaries count from 1 year, not from 0.  
> Try
> 
>     * Test 1  
>     %%(org-anniversary 2022 07 23) Test1  
>     * Test 2  
>     %%(org-anniversary 2022 07 25) Test2 %d

Unfortunately, that still does not work, even with icalendar-export-sexp-enumeration-days set to 400.