Move Jetpack's Testimonials into a custom Panel in the Customizer

move-jp-testimonials.php

// If you haven't already, make sure you add theme support for Jetpack Testimonials

add_theme_support( 'jetpack-testimonial' );

//Now we will set the panel for the Testimonials to our custom panel
function marce_customize_register( $wp_customize ) {

	$wp_customize->get_section( 'jetpack_testimonials' )->panel = 'my_panel';

}
add_action( 'customize_register', 'marce_customize_register', 11 );