Add JETPACK_AUTOLOAD_DEV for travis.

Author: vedanshujain

composer.json

@@ -7,7 +7,7 @@
   "prefer-stable": true,
   "minimum-stability": "dev",
   "require": {
-    "automattic/jetpack-autoloader": "^2.0.0"
+    "automattic/jetpack-autoloader": "^2.2.0"
   },
   "require-dev": {
     "phpunit/phpunit": "6.5.14",

unit-tests/bin/install.sh

@@ -174,6 +174,7 @@ install_deps() {
 
 	curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
 	php wp-cli.phar core config --dbname=$DB_NAME --dbuser=$DB_USER --dbpass=$DB_PASS --dbhost=$DB_HOST --dbprefix=wptests_
+	php wp-cli.phar config set JETPACK_AUTOLOAD_DEV true --raw
 	php wp-cli.phar core install --url="$WP_SITE_URL" --title="Example" --admin_user=admin --admin_password=password --admin_email=info@example.com --path=$WP_CORE_DIR --skip-email
 
 	# Install WooCommerce and WooCommerce Admin