## Description
Add a couple of simple integration tests to verify that we can
initialize a new service based on the boilerplate code in the sui repo
and externally.
## Test plan
```
» cargo test
Compiling suiop-cli v0.1.9 (/Users/jkjensen/mysten/sui/crates/suiop-cli)
Finished test [unoptimized + debuginfo] target(s) in 2.04s
Running unittests src/lib.rs (/Users/jkjensen/mysten/sui/target/debug/deps/suioplib-b060133edb7a006f)
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
Running unittests src/main.rs (/Users/jkjensen/mysten/sui/target/debug/deps/suiop-3e180845c83f7297)
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
Running tests/integration_tests.rs (/Users/jkjensen/mysten/sui/target/debug/deps/integration_tests-06d2990820385322)
running 2 tests
test test_initialize_service_sui ... ok
test test_initialize_service_ext ... ok
test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 18.39s
Doc-tests suioplib
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
```
---
## Release notes
Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.
For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.
- [ ] Protocol:
- [ ] Nodes (Validators and Full nodes):
- [ ] Indexer:
- [ ] JSON-RPC:
- [ ] GraphQL:
- [ ] CLI:
- [ ] Rust SDK: