WIP test windows weirdness

Signed-off-by: Jussi Kukkonen <jkukkonen@google.com>

Author: jku

tests/test_updater_ng.py

@@ -362,7 +362,7 @@ def test_parallel_updaters(self) -> None:
         # Refresh two updaters in parallel many times, using the same local metadata cache.
         # This should reveal race conditions.
 
-        iterations = 1000
+        iterations = 20
 
         # The project root is the parent of the tests directory
         project_root = os.path.dirname(utils.TESTS_DIR)