Updated database host for GitLab tests.

Former-commit-id: 3373955b

.gitlab-ci.yml

@@ -13,6 +13,7 @@ test_gms_preprocessing:
     - source /root/miniconda3/bin/activate
     - export GDAL_DATA=/root/miniconda3/share/gdal
     - export PYTHONPATH=$PYTHONPATH:/root  # /root <- directory needed later
+    - export GMS_db_host=geoms
     # update sicor
     # - conda install -y -q -c conda-forge basemap
     # - rm -rf context/sicor