Fix `try-runtime follow-chain`, try-runtime upgrade tuple tests, cli test utils (#13794)

* new test for try-runtime tuple stuff

* fix

* remove development comment

* formatting

* remove todo comment

* follow-chain working test

* refactor common cli testing utils

* fix comment

* revert Cargo.lock changes

* update Cargo.lock

* improve doc comment

* fix error typo

* update Cargo.lock

* feature gate try-runtime test

* build_substrate cli test util

* feature gate follow_chain tests

* move fn start_node to test-utils

* improve test pkg name

* use tokio Child and Command

* remove redundant import

* fix ci

* fix ci

* don't leave hanging processes

* improved child process cleanup

* use existing KillChildOnDrop

* remove redundant comment

* Update test-utils/cli/src/lib.rs

Co-authored-by: Koute <koute@users.noreply.github.com>

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Co-authored-by: kianenigma <kian@parity.io>
Co-authored-by: Koute <koute@users.noreply.github.com>