minor changes for arcadia import (#26643)

Author: adameat

ydb/tests/stress/viewer/workload/__init__.py

@@ -4,9 +4,9 @@
 import queue
 import traceback
 import requests
-from urllib.parse import urljoin
 from concurrent.futures import ThreadPoolExecutor
 
+
 class Workload:
     def __init__(self, mon_endpoint, database, duration):
         self.mon_endpoint = mon_endpoint

ydb/tests/stress/ya.make

@@ -18,4 +18,5 @@ RECURSE(
     topic
     topic_kafka
     transfer
+    viewer
 )