diff --git a/tests/resumption/resumption_test.py b/tests/resumption/resumption_test.py
index 02dcf0eb..0f0dd935 100644
--- a/tests/resumption/resumption_test.py
+++ b/tests/resumption/resumption_test.py
@@ -20,26 +20,29 @@ def test_run(self, cd_work, data_dir, work_dir):
         commandline_args = [
             "start.py",
             "--config",
-            format(config_file)
+            format(config_file),
+            "--clean"
         ]
+        delete_alive(work_dir)
         run_master(commandline_args, work_dir)
         final_result_at_one_time = get_final_result(work_dir)
         print('at one time', final_result_at_one_time)
         wait_alive(work_dir)
+        delete_alive(work_dir)
         base_clean_work_dir(data_dir, work_dir)
-
         config_file = data_dir.joinpath(
             'config_{}_resumption.json'.format(self.search_algorithm)
         )
         commandline_args = [
             "start.py",
             "--config",
-            format(config_file)
+            format(config_file),
+            "--clean"
         ]
         run_master(commandline_args, work_dir)
         print('resumed steps finished')
         wait_alive(work_dir)
-
+        delete_alive(work_dir)
         config_file = data_dir.joinpath(
             'config_{}.json'.format(self.search_algorithm)
         )
@@ -54,6 +57,8 @@ def test_run(self, cd_work, data_dir, work_dir):
             dict_resume
         ]
         run_master(commandline_args, work_dir)
+        wait_alive(work_dir)    #
+        delete_alive(work_dir)
         final_result_resumption = get_final_result(work_dir)
         print('resumption steps finished', final_result_resumption)
         assert final_result_at_one_time == final_result_resumption
@@ -91,7 +96,18 @@ def wait_alive(work_dir):
                 break
         if not alive:
             break
-        time.sleep(0.1)
+        time.sleep(1.0)
+
+
+def delete_alive(work_dir):
+    alive_files = [
+        work_dir.joinpath(aiaccel.dict_alive, aiaccel.alive_master),
+        work_dir.joinpath(aiaccel.dict_alive, aiaccel.alive_optimizer),
+        work_dir.joinpath(aiaccel.dict_alive, aiaccel.alive_scheduler)
+    ]
+    for alive_file in alive_files:
+        if alive_file.exists():
+            alive_file.unlink()
 
 
 def base_clean_work_dir(data_dir, work_dir):
diff --git a/tests/resumption/sphere/test_sphere_tpe_resumption.py b/tests/resumption/sphere/test_sphere_tpe_resumption.py
index f0cedde7..94ce02ae 100644
--- a/tests/resumption/sphere/test_sphere_tpe_resumption.py
+++ b/tests/resumption/sphere/test_sphere_tpe_resumption.py
@@ -2,8 +2,8 @@
 import aiaccel
 
 
-class TestSphereRandomResumption(ResumptionTest):
+class TestSphereTpeResumption(ResumptionTest):
 
     @classmethod
     def setup_class(cls):
-        cls.search_algorithm = aiaccel.search_algorithm_random
+        cls.search_algorithm = aiaccel.search_algorithm_tpe
\ No newline at end of file