This code snippet was used on ZD ticket 274932 . It stops Sensei from automatically redirecting from the lesson to the quiz. Tags: Sensei Redirect, Lesson Redirect, Sensei Auto Redirect.

sensei-redirect-functions.php

add_action('template_redirect', 'custom_remove_sensei_quiz_view');

function custom_remove_sensei_quiz_view(){

    if( is_singular('quiz') ){
        global $post;
        //redirect back to the lesson page
        $lesson_id = $post->post_parent;
        //make sure this does not run again
        $lesson_link = add_query_arg( 'sa', '1', get_permalink( $lesson_id ) );
        wp_redirect( $lesson_link );
    }
}

add_filter( 'wp_redirect', 'custom_sensei_stop_redirect_loop', 0, 2 );

function custom_sensei_stop_redirect_loop( $location, $status ){

    $block_redirect = get_query_var( 'sa', '0' );

    if( '1' == $block_redirect   ){
        $location = false;
    }

    return $location;
}