fix(health): move test to dedicated test mod

src/route/health.rs

@@ -28,6 +28,8 @@ impl HealthApi {
     }
 }
 
+#[cfg(test)]
+mod tests {
     #[tokio::test]
     async fn health_check_works() {
         let app = crate::get_test_app();
@@ -36,3 +38,4 @@ async fn health_check_works() {
         resp.assert_status_is_ok();
         resp.assert_text("").await;
     }
+}