qa: Fix task missing function call

lambda was missing function call so always returned true

Signed-off-by: Eric Zhang <emzhang@ibm.com>

diff --git a/qa/tasks/stretch_cluster.py b/qa/tasks/stretch_cluster.py
index 0038b9d4dcb8f81884373e1ca44ce4cac8657f84..086a72c8414da8d61553608e4210df5f0c42f1c6 100644 (file)
--- a/qa/tasks/stretch_cluster.py
+++ b/qa/tasks/stretch_cluster.py
@@ -678,7 +678,7 @@ class TestStretchCluster(MgrTestCase):
 
         # Fail over osds in DC2 completely expects PGs to be 100% inactive
         self._fail_over_all_osds_in_dc('dc2')
-        self.wait_until_true_and_hold(lambda: self._pg_all_unavailable,
+        self.wait_until_true_and_hold(lambda: self._pg_all_unavailable(),
                                       timeout=self.RECOVERY_PERIOD,
                                       success_hold_time=self.SUCCESS_HOLD_TIME)