Run self update in script to avoid breaking tests on 5.2

.travis.yml

@@ -21,9 +21,6 @@ matrix:
   - php: 5.6
     env: WP_VERSION=latest WP_MULTISITE=1
 
-before_install:
-  - composer self-update
-
 before_script:
   - bash tests/bin/install.sh woocommerce_test root '' localhost $WP_VERSION
   - bash tests/bin/travis.sh before

tests/bin/travis.sh

@@ -6,6 +6,8 @@ if [ $1 == 'before' ]; then
 	# composer install fails in PHP 5.2
 	[ $TRAVIS_PHP_VERSION == '5.2' ] && exit;
 
+	composer self-update
+
 	# install php-coveralls to send coverage info
 	composer init --require=satooshi/php-coveralls:0.7.0 -n
 	composer install --no-interaction