fix tests spinning up server

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2024"
 [dependencies]
 axum = "0.8.4"
 clap = { version = "4.5.41", features = ["derive"] }
+http-body-util = "0.1.3"
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
 tokio = { version = "1.46.1", features = ["full"] }
@@ -16,6 +17,7 @@ tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
 
 [dev-dependencies]
 reqwest = { version = "0.12.22", features = ["json"] }
+tower = { version = "0.5.2", features = ["util"] }
 
 [lib]
 path = "src/lib.rs"