one extra truncate

Author: rzats

integrations/server/test_covid_hosp.py

@@ -25,6 +25,7 @@ def setUp(self):
     # clear relevant tables
     with Database.connect() as db:
       with db.new_cursor() as cur:
+        cur.execute('truncate table covid_hosp_state_daily')
         cur.execute('truncate table covid_hosp_state_timeseries')
         cur.execute('truncate table covid_hosp_meta')