fix up unittest failure due to utils.Retry changes.

Bug: None
Test: ./run_tests.sh
Change-Id: I0cbf736784837e74dcee03b61428691765c14285
diff --git a/internal/lib/utils.py b/internal/lib/utils.py
index 1c9ac9c..35729a6 100755
--- a/internal/lib/utils.py
+++ b/internal/lib/utils.py
@@ -35,6 +35,8 @@
 logger = logging.getLogger(__name__)
 
 SSH_KEYGEN_CMD = ["ssh-keygen", "-t", "rsa", "-b", "4096"]
+DEFAULT_RETRY_BACKOFF_FACTOR = 1
+DEFAULT_SLEEP_MULTIPLIER = 0
 
 
 class TempDir(object):
@@ -165,7 +167,7 @@
                                                 (attempt_count - 1))
                 else:
                     sleep = sleep_multiplier * attempt_count
-                    time.sleep(sleep)
+                time.sleep(sleep)
             else:
                 raise