diff --git a/reana_workflow_controller/config.py b/reana_workflow_controller/config.py
index afb78c55..87aa1046 100644
--- a/reana_workflow_controller/config.py
+++ b/reana_workflow_controller/config.py
@@ -15,6 +15,8 @@
 
 from reana_workflow_controller.version import __version__
 
+from reana_db.config import SQLALCHEMY_DATABASE_URI
+
 SQLALCHEMY_TRACK_MODIFICATIONS = False
 """Track modifications flag."""
 
diff --git a/reana_workflow_controller/rest/workflows.py b/reana_workflow_controller/rest/workflows.py
index f26c198c..e50863a8 100644
--- a/reana_workflow_controller/rest/workflows.py
+++ b/reana_workflow_controller/rest/workflows.py
@@ -169,7 +169,7 @@ def get_workflows():  # noqa
         verbose = json.loads(request.args.get("verbose", "false").lower())
         block_size = request.args.get("block_size")
         if not user:
-            return jsonify({"message": "User {} does not exist".format(user)}), 404
+            return jsonify({"message": "User {} does not exist".format(user_uuid)}), 404
         workflows = []
         for workflow in user.workflows:
             workflow_response = {
diff --git a/run-tests.sh b/run-tests.sh
index bd99c029..29964ee5 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -1,16 +1,72 @@
-#!/bin/sh
+#!/bin/bash
 #
 # This file is part of REANA.
-# Copyright (C) 2017, 2018, 2019 CERN.
+# Copyright (C) 2017, 2018, 2019, 2020 CERN.
 #
 # REANA is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
 
-pydocstyle reana_workflow_controller && \
-black --check . && \
-FLASK_APP=reana_workflow_controller/app.py python ./scripts/generate_openapi_spec.py && \
-diff -q -w temp_openapi.json docs/openapi.json && \
-check-manifest --ignore ".travis-*" && \
-sphinx-build -qnN docs docs/_build/html && \
-python setup.py test && \
+# Quit on errors
+set -o errexit
+
+# Quit on unbound symbols
+set -o nounset
+
+export REANA_SQLALCHEMY_DATABASE_URI=postgresql+psycopg2://postgres:mysecretpassword@localhost/postgres
+
+# Verify that db container is running before continuing
+_check_ready() {
+    RETRIES=40
+    while ! $2
+    do
+        echo "==> [INFO] Waiting for $1, $((RETRIES--)) remaining attempts..."
+        sleep 2
+        if [ $RETRIES -eq 0 ]
+        then
+            echo "==> [ERROR] Couldn't reach $1"
+            exit 1
+        fi
+    done
+}
+
+_db_check() {
+    docker exec --user postgres reana-postgres bash -c "pg_isready" &>/dev/null;
+}
+
+clean_old_db_container() {
+    OLD="$(docker ps --all --quiet --filter=name=reana-postgres)"
+    if [ -n "$OLD" ]; then
+        echo '==> [INFO] Cleaning old DB container...'
+        docker stop reana-postgres
+    fi
+}
+
+start_db_container() {
+    echo '==> [INFO] Starting DB container...'
+    docker run --rm --name reana-postgres -p 5432:5432 -e POSTGRES_PASSWORD=mysecretpassword -d postgres:9.6.2
+    _check_ready "Postgres" _db_check
+}
+
+stop_db_container() {
+    echo '==> [INFO] Stopping DB container...'
+    docker stop reana-postgres
+}
+
+check_black() {
+    echo '==> [INFO] Checking Black compliance...'
+    black --check .
+}
+
+pydocstyle reana_workflow_controller
+check_black
+FLASK_APP=reana_workflow_controller/app.py python ./scripts/generate_openapi_spec.py
+diff -q -w temp_openapi.json docs/openapi.json
+check-manifest --ignore ".travis-*"
+sphinx-build -qnNW docs docs/_build/html
+clean_old_db_container
+start_db_container
+python setup.py test
+stop_db_container
+sphinx-build -qnNW -b doctest docs docs/_build/doctest
 docker build -t reanahub/reana-workflow-controller .
+echo '==> [INFO] All tests passed! ✅'
diff --git a/setup.py b/setup.py
index 49bc318a..f6fa9b95 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 history = open("CHANGES.rst").read()
 
 tests_require = [
-    "pytest-reana>=0.7.0.dev20191219,<0.8.0",
+    "pytest-reana>=0.7.0.dev20200707,<0.8.0",
 ]
 
 extras_require = {
diff --git a/tests/conftest.py b/tests/conftest.py
index eead3412..4babf46f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -29,11 +29,11 @@ def base_app(tmp_shared_volume_path):
         "SECRET_KEY": "SECRET_KEY",
         "TESTING": True,
         "SHARED_VOLUME_PATH": tmp_shared_volume_path,
-        "SQLALCHEMY_DATABASE_URI": "sqlite:///testdb.db",
         "SQLALCHEMY_TRACK_MODIFICATIONS": False,
+        "FLASK_ENV": "development",
         "ORGANIZATIONS": ["default"],
     }
-    app_ = create_app(config_mapping)
+    app_ = create_app(config_mapping=config_mapping)
     return app_
 
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 9cc7fa20..b88ac43c 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -119,6 +119,7 @@ def test_workspace_deletion(
     workflow_job = Job(id_=uuid.uuid4(), workflow_uuid=workflow.id_)
     job_cache_entry = JobCache(job_id=workflow_job.id_)
     session.add(workflow_job)
+    session.commit()
     session.add(job_cache_entry)
     session.commit()
 
diff --git a/tests/test_views.py b/tests/test_views.py
index ad7fa5b3..6fd5653a 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -1097,6 +1097,7 @@ def test_workspace_deletion(
         workflow_job = Job(id_=uuid.uuid4(), workflow_uuid=workflow.id_)
         job_cache_entry = JobCache(job_id=workflow_job.id_)
         session.add(workflow_job)
+        session.commit()
         session.add(job_cache_entry)
         session.commit()