diff --git a/src/data/updates.rs b/src/data/updates.rs
index 92d682b1d..fbb9be801 100644
--- a/src/data/updates.rs
+++ b/src/data/updates.rs
@@ -1,13 +1,13 @@
 use std::ops::Deref;
 
-use milli::update::{IndexDocumentsMethod, UpdateFormat};
 use async_compression::tokio_02::write::GzipEncoder;
 use futures_util::stream::StreamExt;
+use milli::update::{IndexDocumentsMethod, UpdateFormat};
 use tokio::io::AsyncWriteExt;
 
-use super::Data;
-use crate::index_controller::{IndexController, Settings, IndexSettings, IndexMetadata};
 use crate::index_controller::UpdateStatus;
+use crate::index_controller::{IndexController, Settings, IndexSettings, IndexMetadata};
+use super::Data;
 
 impl Data {
     pub async fn add_documents<B, E>(
diff --git a/tests/common/index.rs b/tests/common/index.rs
index 69b383b4a..5f297bbb5 100644
--- a/tests/common/index.rs
+++ b/tests/common/index.rs
@@ -24,4 +24,13 @@ impl Index<'_> {
         });
         self.service.post("/indexes", body).await
     }
+
+    pub async fn update(&self, primary_key: Option<&str>) -> (Value, StatusCode) {
+        let body = json!({
+            "primaryKey": primary_key,
+        });
+        let url = format!("/indexes/{}", self.uid);
+
+        self.service.put(url, body).await
+    }
 }
diff --git a/tests/common/server.rs b/tests/common/server.rs
index 5982af973..23aba5010 100644
--- a/tests/common/server.rs
+++ b/tests/common/server.rs
@@ -165,23 +165,6 @@ impl Server {
         //(response, status_code)
     //}
 
-    //pub async fn put_request(&mut self, url: &str, body: Value) -> (Value, StatusCode) {
-        //eprintln!("put_request: {}", url);
-
-        //let mut app =
-            //test::init_service(meilisearch_http::create_app(&self.data, true).wrap(NormalizePath)).await;
-
-        //let req = test::TestRequest::put()
-            //.uri(url)
-            //.set_json(&body)
-            //.to_request();
-        //let res = test::call_service(&mut app, req).await;
-        //let status_code = res.status();
-
-        //let body = test::read_body(res).await;
-        //let response = serde_json::from_slice(&body).unwrap_or_default();
-        //(response, status_code)
-    //}
 
     //pub async fn put_request_async(&mut self, url: &str, body: Value) -> (Value, StatusCode) {
         //eprintln!("put_request_async: {}", url);
diff --git a/tests/common/service.rs b/tests/common/service.rs
index 21442cf64..0ff1320df 100644
--- a/tests/common/service.rs
+++ b/tests/common/service.rs
@@ -35,5 +35,21 @@ impl Service {
         let response = serde_json::from_slice(&body).unwrap_or_default();
         (response, status_code)
     }
+
+    pub async fn put(&self, url: impl AsRef<str>, body: Value) -> (Value, StatusCode) {
+        let mut app =
+            test::init_service(meilisearch_http::create_app(&self.0, true).wrap(NormalizePath)).await;
+
+        let req = test::TestRequest::put()
+            .uri(url.as_ref())
+            .set_json(&body)
+            .to_request();
+        let res = test::call_service(&mut app, req).await;
+        let status_code = res.status();
+
+        let body = test::read_body(res).await;
+        let response = serde_json::from_slice(&body).unwrap_or_default();
+        (response, status_code)
+    }
 }
 
diff --git a/tests/index/mod.rs b/tests/index/mod.rs
index cd3203e6b..2aefd99c2 100644
--- a/tests/index/mod.rs
+++ b/tests/index/mod.rs
@@ -1,2 +1,3 @@
 mod create_index;
 mod get_index;
+mod update_index;