fix(docker): modify db configuration for new tests

A user that can create databases is now required for tests,
we use the 'root' user in Docker.

Added docker services:
---------------------
- mariadb_test - host localhost:13307

Signed-off-by: Kevin Morris <kevr@0cost.org>

docker/scripts/run-pytests.sh

@@ -25,17 +25,8 @@ done
 rm -rf $PROMETHEUS_MULTIPROC_DIR
 mkdir -p $PROMETHEUS_MULTIPROC_DIR
 
-# Initialize the new database; ignore errors.
-python -m aurweb.initdb 2>/dev/null || \
-    (echo "Error: aurweb.initdb failed; already initialized?" && /bin/true)
-
-# Run test_initdb ahead of time, which clears out the database,
-# in case of previous failures which stopped the test suite before
-# finishing the ends of some test fixtures.
-eatmydata -- pytest test/test_initdb.py
-
 # Run pytest with optional targets in front of it.
-eatmydata -- make -C test "${PARAMS[@]}" pytest
+pytest
 
 # By default, report coverage and move it into cache.
 if [ $COVERAGE -eq 1 ]; then