message: Add baseline test for save_wasm
diff: @@ -142,7 +142,15 @@ mod test {
  static CONTRACT_0_7: &[u8] = include_bytes!("../testdata/contract_0.7.wasm");
  #[test]
  - fn saving_rejects_invalid_contract() {
  + fn save_wasm_works() {
  + let tmp_dir = TempDir::new().unwrap();
  + let mut cache: CosmCache<MockStorage, MockApi> =
  + unsafe { CosmCache::new(tmp_dir.path(), 10).unwrap() };
  + cache.save_wasm(CONTRACT_0_7).unwrap();
  + }
  +
  + #[test]
  + fn save_wasm_rejects_invalid_contract() {
  use wabt::wat2wasm;
  // this is invalid, as it doesn't contain all required exports
  