diff --git a/dev.env b/dev.env
index b08fced2c..c54d08cb1 100644
--- a/dev.env
+++ b/dev.env
@@ -91,6 +91,7 @@ APPFLOWY_S3_ACCESS_KEY=${AWS_ACCESS_KEY}
 APPFLOWY_S3_SECRET_KEY=${AWS_SECRET}
 APPFLOWY_S3_BUCKET=appflowy
 #APPFLOWY_S3_REGION=us-east-1
+APPFLOWY_S3_PRESIGNED_URL_ENDPOINT=http://localhost/minio-api
 
 # AppFlowy Cloud Mailer
 # Note that smtps (TLS) is always required, even for ports other than 465
diff --git a/tests/workspace/import_test.rs b/tests/workspace/import_test.rs
index cec651202..97b527cca 100644
--- a/tests/workspace/import_test.rs
+++ b/tests/workspace/import_test.rs
@@ -6,29 +6,6 @@ use collab_folder::ViewLayout;
 use std::path::PathBuf;
 use std::time::Duration;
 
-// #[tokio::test]
-// async fn import_blog_post_four_times_test() {
-//   let mut handles = vec![];
-//   // Simulate 4 clients, each uploading 3 files concurrently.
-//   for _ in 0..4 {
-//     let handle = tokio::spawn(async {
-//       let client = TestClient::new_user().await;
-//       for _ in 0..3 {
-//         let _ = upload_file(&client, "blog_post.zip", None).await.unwrap();
-//       }
-//
-//       // the default concurrency limit is 3, so the fourth import should fail
-//       upload_file(&client, "blog_post.zip", None).await.unwrap();
-//       wait_until_num_import_task_complete(&client, 3).await;
-//     });
-//     handles.push(handle);
-//   }
-//
-//   for result in join_all(handles).await {
-//     result.unwrap();
-//   }
-// }
-
 #[tokio::test]
 async fn import_blog_post_test() {
   // Step 1: Import the blog post zip
@@ -210,15 +187,15 @@ async fn upload_file(
   upload_after_secs: Option<u64>,
 ) -> Result<(), Error> {
   let file_path = PathBuf::from(format!("tests/workspace/asset/{name}"));
-  let mut url = client
+  let url = client
     .api_client
     .create_import(&file_path)
     .await?
     .presigned_url;
 
-  if url.contains("http://minio:9000") {
-    url = url.replace("http://minio:9000", "http://localhost/minio");
-  }
+  // if url.contains("http://minio:9000") {
+  //   url = url.replace("http://minio:9000", "http://localhost/minio");
+  // }
 
   if let Some(secs) = upload_after_secs {
     tokio::time::sleep(Duration::from_secs(secs)).await;
@@ -234,8 +211,14 @@ async fn upload_file(
 // upload_after_secs: simulate the delay of uploading the file
 async fn import_notion_zip_until_complete(name: &str) -> (TestClient, String) {
   let client = TestClient::new_user().await;
-  let file_path = PathBuf::from(format!("tests/workspace/asset/{name}"));
-  client.api_client.import_file(&file_path).await.unwrap();
+
+  // Uncomment the following lines to use the predicated upload file API.
+  // Currently, we use `upload_file` to send a file to appflowy_worker, which then
+  // processes the upload task.
+  // let file_path = PathBuf::from(format!("tests/workspace/asset/{name}"));
+  // client.api_client.import_file(&file_path).await.unwrap();
+  upload_file(&client, name, None).await.unwrap();
+
   let default_workspace_id = client.workspace_id().await;
 
   // when importing a file, the workspace for the file should be created and it's