[FEATURE] Create test for db auction

# Changelog:
    Add a part of test (test of DB auction)
# Motivation:
    I developed an one auction 10 years ago. I want to share the experience.
# Usage guide:
    Code for creating the table can be used in node/setup_db.py
# Roadmap:
* test_auction.py (DB,node/auction,FrontEnd api,protocol, etc.),
* DB(node/setup_db.py), 
* node/auction.py, 
* etc.

@Renelvon Write a strictly text as code that you want to insert. Or wait for merge and make changes himself. Do not waste my time.