[test] __init__.py files are added (#7)

Also

1) run_tests3.sh:
 - [del] definition of PYTHONPATH.
 - run: flake8 .
 - run: python -m pytest

2) cleanup

Author: dmitry-lipetsk

Dockerfile--alpine.tmpl

@@ -51,6 +51,7 @@ ENTRYPOINT sh -c " \
 set -eux; \
 echo HELLO FROM ENTRYPOINT; \
 echo HOME DIR IS [`realpath ~/`]; \
+echo WORK DIR IS [$(pwd)]; \
 ssh-keygen -t rsa -f ~/.ssh/id_rsa -q -N ''; \
 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys; \
 chmod 600 ~/.ssh/authorized_keys; \

run_tests3.sh

@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
 
-# Copyright (c) 2017-2025 Postgres Professional
-
 set -eux
 
 # prepare python environment
@@ -13,12 +11,12 @@ source "${VENV_PATH}/bin/activate"
 pip install -r tests/requirements.txt
 
 # install testgres' dependencies
-export PYTHONPATH=$(pwd)
+# export PYTHONPATH=$(pwd)
 # $PIP install .
 
-flake8
+flake8 .
 
-pytest -l -v -n 4
+python -m pytest -l -vvv -n 4
 
 set +eux