try-runtime-cli: `execute-block` & `create-snapshot` tests (#14343)

* execute-block test

* test create-snapshot

* oops

* Update utils/frame/try-runtime/cli/tests/create_snapshot.rs

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

* Update utils/frame/try-runtime/cli/tests/create_snapshot.rs

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

* Update utils/frame/try-runtime/cli/tests/create_snapshot.rs

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

* remove snapshot

* execute block: new log

* use prefix & make tempfile a dev dependencie

* Update utils/frame/try-runtime/cli/tests/execute_block.rs

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

* Update utils/frame/try-runtime/cli/tests/create_snapshot.rs

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

* ".git/.scripts/commands/fmt/fmt.sh"

* --at option in execute-block test

* fixes & use --at option in create-snapshot test

* hmm

* fmt

* remove nonsense

* Update utils/frame/try-runtime/cli/tests/create_snapshot.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update utils/frame/try-runtime/cli/tests/execute_block.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* remove unnecessary test modules

* try to load snapshot file

* fix

---------

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>
Co-authored-by: command-bot <>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>