.travis.yml in spree_gateway-3.3.2 vs .travis.yml in spree_gateway-3.3.3

@@ -18,7 +18,11 @@
 
 rvm:
   - 2.3.1
   - 2.2.7
 
+matrix:
+    allow_failures:
+          - gemfile: gemfiles/spree_master.gemfile
+
 before_install:
   - mysql -u root -e "GRANT ALL ON *.* TO 'travis'@'%';"