Added some tests, fixed mistakes tests found

gem-remotes-lib/Cargo.toml

@@ -1,3 +1,11 @@
+
+[profile.release]
+opt-level = "s"
+
+[profile.dev]
+debug = true    # Symbols are nice and they don't increase the size on Flash
+opt-level = "z"
+
 [package]
 name = "gem-remotes-lib"
 version = "0.1.0"
@@ -6,6 +14,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.86"
 async-channel = "2.3.1"
+async-io = "2.3.4"
 log = "0.4.22"
 strum = "0.26.3"
 strum_macros = "0.26.4"