Wordpress dynamic widget by location?

function wpb_widgets_init() {

register_sidebar( array(
    'name' => __( 'Main Sidebar', 'wpb' ),
    'id' => 'sidebar-1',
    'description' => __( 'The main sidebar appears on the right on each page except the front page template', 'wpb' ),
    'before_widget' => '<aside id="%1$s" class="widget %2$s">',
    'after_widget' => '</aside>',
    'before_title' => '<h3 class="widget-title">',
    'after_title' => '</h3>',
) );

register_sidebar( array(
    'name' =>__( 'Front page sidebar', 'wpb'),
    'id' => 'sidebar-2',
    'description' => __( 'Appears on the static front page template', 'wpb' ),
    'before_widget' => '<aside id="%1$s" class="widget %2$s">',
    'after_widget' => '</aside>',
    'before_title' => '<h3 class="widget-title">',
    'after_title' => '</h3>',
) );
}
add_action( 'widgets_init', 'wpb_widgets_init' );

<?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
<div id="secondary" class="widget-area" role="complementary">
<?php dynamic_sidebar( 'sidebar-1' ); ?>
</div>

    function register_my_widgets() {
    register_sidebar(array(
        'name' => 'test-widget',
        'id' => 'test-widget',
        'description' => __( 'Widgets in this area will be shown on all posts and pages.', 'theme-slug' ),
        'before_widget' => '',
        'after_widget' => '',
        'before_title' => '',
        'after_title' => '',
    ));
    register_widget( 'My_Text_Widget' );
}

class My_Text_Widget extends WP_Widget_Text {
    function widget( $args, $instance ) {
        extract($args);
        $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
        $text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance );
        echo $before_widget;
        if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?>
            <?php echo !empty( $instance['filter'] ) ? wpautop( $text ) : $text; ?>
        <?php
        echo $after_widget;
    }
}