docker/conftest: Speedup pytest based tests execution
Use session scoped fixtures to avoid executing expensive docker operations multiple times.
Tests execution is about 4 times faster now.
Migrated from D2999 (view on Phabricator)
Use session scoped fixtures to avoid executing expensive docker operations multiple times.
Tests execution is about 4 times faster now.
Migrated from D2999 (view on Phabricator)