.travis.yml in unread-0.7.0 vs .travis.yml in unread-0.7.1

@@ -14,7 +14,9 @@
 before_install: gem update bundler
 sudo: false
 env:
   - DB=sqlite
   - DB=mysql
+  - DB=postgres
 before_script:
   - sh -c "if [ '$DB' = 'mysql' ]; then mysql -e 'create database IF NOT EXISTS unread_test;'; fi"
+  - sh -c "if [ '$DB' = 'postgres' ]; then psql -c 'create database unread_test;' -U postgres; fi"