php_helper improve for dev/test

docker/usr/local/bin/php_helper.sh

@@ -22,9 +22,14 @@ if [ $PHP_VERSION = '72' ]; then
 	composer global require hirak/prestissimo
 fi
 
+if [ $ENVIRONMENT != 'production' ]; then
+	wget -O phpunit https://phar.phpunit.de/phpunit-9.phar 
+	install phpunit /usr/local/bin
+fi 
+
 if [ $ENVIRONMENT = 'development' ]; then
 	apk --update --no-cache add autoconf g++ make
 	pecl install -f xdebug
 	docker-php-ext-enable xdebug
 	apk del --purge autoconf g++ make
-fi 
+fi