Update wundergraph_cli/src/print_schema/mod.rs

Co-authored-by: Georg Semmler <Georg_semmler_05@web.de>

Author: p-alik

wundergraph_cli/src/print_schema/mod.rs

@@ -328,8 +328,22 @@ mod tests {
         client: &reqwest::Client,
         listen_url: &str,
         body: &'static str,
-    ) -> Result<(), std::string::String> {
-        let r = client
+    ) -> Result<(), String> {
+        fn error_mapper<T: std::fmt::Debug>(e: T) -> String {
+            format!("{:?}", e)
+        }
+    
+        let r = client            
+            .post(&format!("http://{}/graphql", listen_url)))
+            .body(body)
+            .header(
+                reqwest::header::CONTENT_TYPE,
+                reqwest::header::HeaderValue::from_static("application/json"),
+            ).send().map_err(error_mapper)?;
+         let mut r = r.json::<serde_json::Value>().map_err(error_mapper)?;
+         std::panic::catch_unwind(|| insta::assert_json_snapshot!(r)).map_err(error_mapper)?;
+         Ok(())
+    }
             .post(&format!("http://{}/graphql", listen_url))
             .body(body)
             .header(