<?php
wp_reset_query();
$terms = get_the_terms(get_the_ID(), 'tribe_events_cat');
$cats = array();
if($terms) {
	foreach( $terms as $term ) {
		$cats[] = $term->slug;
	}
}
$catArray = implode( ',', $cats );

			global $post;
				$all_events = tribe_get_events(
				array(
					'eventDisplay'=>'upcoming',
					'posts_per_page'=>5,
					'tax_query'=> array(
					'relation'	=> 'OR',
				array(
					'taxonomy' => 'tribe_events_cat',
					'field' => 'slug',
					'terms' => array($catArray),
					)
					)
				)
			);

			foreach($all_events as $post) {
			setup_postdata($post);
			?>

			<li>

			<a class="white-font" href="<?php the_permalink(); ?>"><?php the_title(); ?></a>

			</li>

			<?php } //endforeach ?>
			<?php wp_reset_query(); ?>