easy: ci & local tests for Move external crates (MystenLabs#10623)

## Description 

Adds a CI step for test of Move crates in our new external crates.

## Test Plan 

CI tests

---
If your changes are not user-facing and not a breaking change, you can
skip the following section. Otherwise, please indicate what changed, and
then add to the Release Notes section as highlighted during the release
process.

### Type of Change (Check all that apply)

- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

.cargo/config

@@ -9,6 +9,7 @@ xclippy = [
     "-Wclippy::disallowed_methods",
 ]
 xlint = "run --package x --bin x -- lint"
+xtest = "run --package x --bin x -- external-crates-tests"
 
 [build]
 rustflags = ["-C", "force-frame-pointers=yes", "-C", "force-unwind-tables=yes"]

.github/workflows/rust.yml

@@ -86,6 +86,9 @@ jobs:
         run: |
           pip install pyopenssl --upgrade
           if [ -f narwhal/benchmark/requirements.txt ]; then pip install -r narwhal/benchmark/requirements.txt; fi
+      - name: External crates tests
+        run: |
+          cargo xtest
       - name: cargo test
         run: |
           cargo nextest run --profile ci

crates/x/src/external_crates_tests.rs

@@ -0,0 +1,34 @@
+// Copyright (c) Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
+use anyhow::anyhow;
+use std::{
+    path::PathBuf,
+    process::{Command, Stdio},
+};
+
+pub fn run() -> crate::Result<()> {
+    // change into the external-crates/move directory
+    let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    path.push("../../external-crates/");
+    std::env::set_current_dir(&path).expect("Unable to change into `external-crates` directory");
+
+    // execute a command to cd to path and run the ls command
+    let mut cmd = Command::new("sh")
+        .arg("tests.sh")
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .unwrap();
+
+    match cmd.wait() {
+        Ok(status) => {
+            if status.success() {
+                Ok(())
+            } else {
+                Err(anyhow!("failed to wait on process"))
+            }
+        }
+        Err(err) => Err(anyhow!("failed to wait on process: {}", err)),
+    }
+}

crates/x/src/main.rs

@@ -4,6 +4,7 @@
 use anyhow::Result;
 use clap::Parser;
 
+mod external_crates_tests;
 mod lint;
 
 /// Simple program to greet a person
@@ -19,12 +20,16 @@ enum Command {
     #[clap(name = "lint")]
     /// Run lints
     Lint(lint::Args),
+    #[clap(name = "external-crates-tests")]
+    /// Run external crate tests
+    ExternalCratesTests,
 }
 
 fn main() -> Result<()> {
     let args = Args::parse();
 
     match args.cmd {
         Command::Lint(args) => lint::run(args),
+        Command::ExternalCratesTests => external_crates_tests::run(),
     }
 }

external-crates/tests.sh

@@ -0,0 +1,5 @@
+# Run tests for external crates
+echo "Running Move tests in external-crates"
+cd move
+echo "Excluding prover and evm Move tests"
+cargo nextest run -E '!package(move-to-yul) and !package(move-prover) and !test(prove) and !test(simple_build_with_docs)'