diff --git a/test/suite/test_backup13.py b/test/suite/test_backup13.py
index 4e53ff02e..2a6eb802e 100644
--- a/test/suite/test_backup13.py
+++ b/test/suite/test_backup13.py
@@ -67,6 +67,7 @@ class test_backup13(backup_base):
                 "WiredTiger.lock" not in fullname and \
                 "Tmplog" not in fullname and \
                 "Preplog" not in fullname:
+                yield
                 shutil.copy(fullname, newdir)
         # close the original connection and open to new directory.
         self.close_conn()
@@ -129,7 +130,8 @@ class test_backup13(backup_base):
             lambda: self.session.open_cursor('backup:', None, config))
 
         # Make sure after a crash we cannot access old backup info.
-        self.simulate_crash_restart(".", "RESTART")
+        for _ in self.simulate_crash_restart(".", "RESTART"):
+            import time;time.sleep(0.05)
         self.assertRaises(wiredtiger.WiredTigerError,
             lambda: self.session.open_cursor('backup:', None, config))