Fix CI

Author: olragon

.travis.yml

@@ -108,7 +108,7 @@ before_install:
   - drupal-ti before_install
 
 install:
-  - drupal-ti install
+  - drupal-ti install --include drupal_ti/composer-manager.sh
 
 before_script:
   - drupal-ti before_script

drupal_ti/composer-manager.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -e $DRUPAL_TI_DEBUG
+
+# Ensure the right Drupal version is installed.
+# Note: This function is re-entrant.
+drupal_ti_ensure_drupal
+
+cd "$DRUPAL_TI_DRUPAL_DIR"
+
+drush dl composer_manager --yes
+drush pm-enable composer_manager --yes