fix tests

.travis.yml

@@ -25,8 +25,7 @@ before_script:
   - sudo apt-get install -y postgresql-9.6-postgis-2.4
   - psql -U postgres -c 'create database test'
   - psql -U postgres -d test -c 'create extension postgis'
-  - psql -U postgres -d test -f fixtures/tilebbox.sql
-  - psql -U postgres -d test -f fixtures/points.sql
+  - psql -U postgres -d test -f tests/fixtures/points.sql
 
 script:
   - cargo test --verbose --all