test_threads.py: use StashTestCase
# coding=utf-8
import time
-import unittest
from six import StringIO
from stash.tests.stashtest import StashTestCase
-class ThreadsTests(unittest.TestCase):
+class ThreadsTests(StashTestCase):
setup_commands = ['BIN_PATH=$STASH_ROOT/tests/system/data:$BIN_PATH']
