Configuration of logging fails if the path in LOG_ENV_VARIABLE_NAME does not exist

[tkilias]

Background

• If LOG_ENV_VARIABLE_NAME is set, it changes the path where luigi will log to
• The luigi log configuration fails if the directory does not exist
• We should move the makedirs from

  integration-test-docker-environment/exasol_integration_test_docker_environment/lib/base/luigi_log_config.py

  Line 33 in 390968a

  main_log_path.mkdir(parents=True, exist_ok=True)

  to before

  integration-test-docker-environment/exasol_integration_test_docker_environment/lib/base/luigi_log_config.py

  Line 40 in 390968a

  return log_path

Acceptance Criteria

• Fix the bug
• Add a test