Feature/ci files

tests/integration/bootstrap.php

+<?php
+
+ini_set('error_reporting', E_ALL); // or error_reporting(E_ALL);
+ini_set('display_errors', '1');
+ini_set('display_startup_errors', '1');
+
+// disable xdebug backtrace
+if ( function_exists( 'xdebug_disable' ) ) {
+	xdebug_disable();
+}
+
+if ( getenv( 'PLUGIN_PATH' ) !== false ) {
+	define( 'PLUGIN_PATH', getenv( 'PLUGIN_PATH' ) );
+} else {
+	define( 'PLUGIN_PATH', __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR );
+}
+
+require_once( getenv( 'WP_DEVELOP_DIR' ) . '/tests/phpunit/includes/functions.php' );
+
+tests_add_filter( 'muplugins_loaded', function () {
+	$plugins_to_active[] = 'hello.php';
+	update_option( 'active_plugins', $plugins_to_active );
+}, 100 );
+
+putenv('WP_TESTS_DIR=' . getenv( 'WP_DEVELOP_DIR' ) . '/tests/phpunit');
+require_once( getenv( 'WC_DEVELOP_DIR' ) . '/tests/bootstrap.php' );
+