Swapping to a build matrix

    packages:

    - postgresql-9.6-postgis-2.3

before_script:

  - psql -c 'create database travis_ci_test;' -U postgres

  - psql -U postgres -c "create extension postgis"

before_install:

  # We do this conditionally because it saves us some downloading if the

  # version is the same.

  - conda env update -n test -f environment.yml

  - export PROJ_LIB=$CONDA_PREFIX/share/proj  

  # Setup the database user

  - psql -h /tmp -c "CREATE USER testuser WITH PASSWORD 'password'" -U postgres

  - psql -h /tmp -c "ALTER ROLE testuser SUPERUSER" -U postgres

  # Setup autocnet to connect to the db

  - export autocnet_config=sample.yml

before_script:

  - psql -c 'create database travis_ci_test;' -U postgres

  - psql -U postgres -c "create extension postgis"

script:

  - pytest autocnet tests