Snippet: Display Read More link for Testimonials with Custom Excerpts

add_filter( 'wpex_excerpt_output', function( $excerpt ) {

	global $post;

	if ( $post && 'testimonials' == $post->post_type && $post->post_excerpt ) {

		$readmore = '<a>ID ) .'" title="Read More" rel="bookmark">read more <span class="wpex-readmore-rarr">→</span></a>';

		return $post->post_excerpt .' '. $readmore;

	}

	return $excerpt;

} );