diff --git a/crates/meilisearch/tests/search/formatted.rs b/crates/meilisearch/tests/search/formatted.rs
index 90c81f949..1484b6393 100644
--- a/crates/meilisearch/tests/search/formatted.rs
+++ b/crates/meilisearch/tests/search/formatted.rs
@@ -6,14 +6,14 @@ use crate::json;
 
 #[actix_rt::test]
 async fn formatted_contain_wildcard() {
-    let server = Server::new().await;
-    let index = server.index("test");
+    let server = Server::new_shared();
+    let index = server.unique_index();
 
     index.update_settings(json!({ "displayedAttributes": ["id", "cattos"] })).await;
 
     let documents = NESTED_DOCUMENTS.clone();
-    index.add_documents(documents, None).await;
-    index.wait_task(1).await;
+    let (response, _) = index.add_documents(documents, None).await;
+    index.wait_task(response.uid()).await;
 
     index.search(json!({ "q": "pésti", "attributesToRetrieve": ["father", "mother"], "attributesToHighlight": ["father", "mother", "*"], "attributesToCrop": ["doggos"], "showMatchesPosition": true }),
         |response, code|
@@ -135,12 +135,7 @@ async fn formatted_contain_wildcard() {
 
 #[actix_rt::test]
 async fn format_nested() {
-    let server = Server::new().await;
-    let index = server.index("test");
-
-    let documents = NESTED_DOCUMENTS.clone();
-    index.add_documents(documents, None).await;
-    index.wait_task(0).await;
+    let index = shared_index_with_nested_documents().await;
 
     index
         .search(json!({ "q": "pésti", "attributesToRetrieve": ["doggos"] }), |response, code| {
@@ -340,15 +335,15 @@ async fn format_nested() {
 
 #[actix_rt::test]
 async fn displayedattr_2_smol() {
-    let server = Server::new().await;
-    let index = server.index("test");
+    let server = Server::new_shared();
+    let index = server.unique_index();
 
     // not enough displayed for the other settings
     index.update_settings(json!({ "displayedAttributes": ["id"] })).await;
 
     let documents = NESTED_DOCUMENTS.clone();
-    index.add_documents(documents, None).await;
-    index.wait_task(1).await;
+    let (response, _) = index.add_documents(documents, None).await;
+    index.wait_task(response.uid()).await;
 
     index
         .search(json!({ "attributesToRetrieve": ["father", "id"], "attributesToHighlight": ["mother"], "attributesToCrop": ["cattos"] }),
@@ -538,15 +533,15 @@ async fn displayedattr_2_smol() {
 #[cfg(feature = "default")]
 #[actix_rt::test]
 async fn test_cjk_highlight() {
-    let server = Server::new().await;
-    let index = server.index("test");
+    let server = Server::new_shared();
+    let index = server.unique_index();
 
     let documents = json!([
         { "id": 0, "title": "この度、クーポンで無料で頂きました。" },
         { "id": 1, "title": "大卫到了扫罗那里" },
     ]);
-    index.add_documents(documents, None).await;
-    index.wait_task(0).await;
+    let (response, _) = index.add_documents(documents, None).await;
+    index.wait_task(response.uid()).await;
 
     index
         .search(json!({"q": "で", "attributesToHighlight": ["title"]}), |response, code| {