fix(Tests): unset current_alert_id as it's not in table column anymore

Author: harunbleech

includes/services/class-test-service.php

@@ -382,6 +382,7 @@ public function delete_remote_test( $test_id ) {
 				$args['status'] = 0;
 				$args['service_test_id'] = null;
 				unset( $args['id'] );
+				unset( $args['current_alert_id'] );
 				Test::save( $args, $test->id );
 				return $test;
 			} else {