Merge branch 'devel-interface-exists' into 'devel'

Merge of devel-interface-exists to devel

See merge request wpdesk/plugin-template!12

.gitlab-ci.yml

@@ -35,6 +35,7 @@ stages:
     - mysql
   script:
     - ls -l
+    - if [[ -f tests/integration/prepare.sh ]]; then sh tests/integration/prepare.sh; fi
     - php --version
     - composer phpunit-integration
 

classes/wpdesk/interface-plugin-factory.php

@@ -4,9 +4,12 @@ if ( ! defined( 'ABSPATH' ) ) {
 	exit;
 } // Exit if accessed directly
 
+if ( !interface_exists( 'WPDesk_Plugin_Factory_1_10' ) ) {
 	interface WPDesk_Plugin_Factory_1_10 {
 		const WPDESK_FILTER_PLUGIN_CLASS = 'wpdesk_plugin_class';
 
 		static function build_plugin();
+
 		static function get_plugin_instance();
 	}
+}
\ No newline at end of file