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>

---------

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

substrate/test-utils/cli/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "substrate-cli-test-utils"
+description = "CLI testing utilities"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+publish = false
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+substrate-rpc-client = { path = "../../utils/frame/rpc/client" }
+assert_cmd = "2.0.10"
+nix = "0.26.2"
+regex = "1.7.3"
+tempfile = "3.5.0"
+tokio = { version = "1.22.0", features = ["full"] }
+node-primitives = { path = "../../bin/node/primitives" }
+futures = "0.3.28"