start postgres service

Author: Daniela Butano

.github/workflows/im-build.yml

@@ -36,6 +36,10 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-    
+    - name: Install PostgreSQL client
+      run: |
+        sudo apt-get update -y
+        sudo apt-get install -y libpq-dev postgresql-client
+        sudo service postgresql start
     - name: Run unit tests
       run: ./config/travis/init-solr.sh && ./config/travis/init.sh && python setup.py test && python setup.py livetest