testing: update test-run

[Totktonada]

• fix format_process function
• print whole reject file when test failed (Support 1:N connection using array field with IDs #102)
• print reproduce file when test failed at -j -1 mode (Connection cannot be named as destination collection in some cases #104)
• print reproduce file content in parallel mode (Connection cannot be named as destination collection in some cases #104)
• allow to pass arguments to create_cluster
• allow grep_log to not reset search results after tarantool restart
• support comments in config files
• don't kill default if non-default crash expected (Add support for avro-type union #109)
• don't inherit unneeded file descriptors (Support avro-schema references for records #117)
• list task for hung workers (Fix shard 1.2 in CI until the next release will be published #107)
• add new config param 'show_reproduce_content' (Implement block executor #113)