test(cli): use real server for compliant peers

crates/irtt-cli/Cargo.toml

@@ -55,3 +55,7 @@ irtt-server = { workspace = true, optional = true }
 irtt-stats = { workspace = true, optional = true }
 ratatui = { version = "0.30.2", optional = true }
 tokio = { version = "1.53.1", default-features = false, features = ["rt", "time"], optional = true }
+
+[dev-dependencies]
+irtt-server.workspace = true
+tokio = { version = "1.53.1", default-features = false, features = ["rt", "sync"] }