diff --git a/tests/api/endpoints/test_repo_commit_dir.py b/tests/api/endpoints/test_repo_commit_dir.py
index da8f4d1974..6893acbeae 100644
--- a/tests/api/endpoints/test_repo_commit_dir.py
+++ b/tests/api/endpoints/test_repo_commit_dir.py
@@ -37,7 +37,9 @@ class RepoCommitDirTest(BaseTestCase):
 
     def test_get(self):
         # delete a folder first
-        seafile_api.del_file(self.repo_id, '/', self.folder_name, self.user_name)
+        seafile_api.del_file(self.repo_id, '/',
+                             json.dumps([self.folder_name]),
+                             self.user_name)
 
         self.login_as(self.user)
 
diff --git a/tests/api/endpoints/test_repo_commit_revert.py b/tests/api/endpoints/test_repo_commit_revert.py
index 6697670533..1f1fd09002 100644
--- a/tests/api/endpoints/test_repo_commit_revert.py
+++ b/tests/api/endpoints/test_repo_commit_revert.py
@@ -31,7 +31,9 @@ class RepoCommitRevertTest(BaseTestCase):
 
     def test_post(self):
         # delete a file first
-        seafile_api.del_file(self.repo_id, '/', self.file_name, self.user_name)
+        seafile_api.del_file(self.repo_id, '/',
+                             json.dumps([self.file_name]),
+                             self.user_name)
 
         self.login_as(self.user)
 
@@ -71,7 +73,9 @@ class RepoCommitRevertTest(BaseTestCase):
 
     def test_enc_repo_post(self):
         # delete a file first
-        seafile_api.del_file(self.enc_repo_id, '/', self.file_name, self.user_name)
+        seafile_api.del_file(self.enc_repo_id, '/',
+                             json.dumps([self.file_name]),
+                             self.user_name)
 
         self.login_as(self.user)
 
diff --git a/tests/api/endpoints/test_repo_trash.py b/tests/api/endpoints/test_repo_trash.py
index 0fa97732b3..803fb661b8 100644
--- a/tests/api/endpoints/test_repo_trash.py
+++ b/tests/api/endpoints/test_repo_trash.py
@@ -45,7 +45,8 @@ class RepoTrashTest(BaseTestCase):
 
         # delete a file first
         seafile_api.del_file(self.repo_id, '/',
-                self.file_name, self.user_name)
+                             json.dumps([self.file_name]),
+                             self.user_name)
 
         self.login_as(self.user)
 
@@ -76,7 +77,8 @@ class RepoTrashTest(BaseTestCase):
 
         # delete a file first
         seafile_api.del_file(self.repo_id, '/',
-                self.file_name, self.user_name)
+                             json.dumps([self.file_name]),
+                             self.user_name)
 
         self.login_as(self.user)
 
@@ -121,7 +123,9 @@ class RepoTrashTest(BaseTestCase):
             repo_id=repo_id, parent_dir='/', filename=file_name, username=self.user_name)
 
         # delete a file first
-        seafile_api.del_file(repo_id, '/', file_name, self.user_name)
+        seafile_api.del_file(repo_id, '/',
+                             json.dumps([file_name]),
+                             self.user_name)
 
         # get trash item count
         self.login_as(self.user)
diff --git a/tests/api/test_dir_revert.py b/tests/api/test_dir_revert.py
index c95ece49f3..11fe3bcfef 100644
--- a/tests/api/test_dir_revert.py
+++ b/tests/api/test_dir_revert.py
@@ -20,7 +20,8 @@ class DirRevertTest(BaseTestCase):
 
     def delete_dir(self):
         seafile_api.del_file(self.repo_id, self.parent_dir,
-            self.folder_name, self.username)
+                             json.dumps([self.folder_name]),
+                             self.username)
 
     def get_trash_dir_commit_id(self):
         deleted_file = seafile_api.get_deleted(self.repo_id, 0, '/', None)
diff --git a/tests/api/test_file_revert.py b/tests/api/test_file_revert.py
index 613bdc53cf..e996bb3b59 100644
--- a/tests/api/test_file_revert.py
+++ b/tests/api/test_file_revert.py
@@ -20,7 +20,8 @@ class FileRevertTest(BaseTestCase):
 
     def delete_file(self):
         seafile_api.del_file(self.repo_id, self.parent_dir,
-            self.file_name, self.username)
+                            json.dumps([self.file_name]),
+                            self.username)
 
     def get_trash_file_commit_id(self):
         deleted_file = seafile_api.get_deleted(self.repo_id, 0, '/', None)