Corrected db name

.travis.yml

@@ -9,7 +9,7 @@ services:
 before_script:
   - flake8 tests ogn
   - psql -c 'CREATE DATABASE ogn_test;' -U postgres
-  - psql -c 'CREATE EXTENSION postgis;' -U postgres -d travis_postgis
+  - psql -c 'CREATE EXTENSION postgis;' -U postgres -d ogn_test
 
 script:
   - nosetests --with-coverage --cover-package=ogn