test: Increase default timeout.

To accommodate with slower machines, which are a reasonable target for
caucase.
Caucase tests do not timeout anymore on a Raspberry Pi B+.

caucase/test.py

@@ -64,7 +64,7 @@ def canConnect(address):
     raise
   return True
 
-def retry(callback, try_count=10, try_delay=0.1):
+def retry(callback, try_count=200, try_delay=0.1):
   """
   Poll <callback> every <try_delay> for <try_count> times or until it returns
   a true value.
@@ -134,7 +134,6 @@ class CaucaseTest(unittest.TestCase):
     key_path,
     new_csr_path,
     new_key_path,
-    try_count=10,
   ):
     """
     Start caucased in its special --restore-backup mode. It will exit once
@@ -162,10 +161,8 @@ class CaucaseTest(unittest.TestCase):
     server.daemon = True
     server.start()
     # Must exit after a (short) while
-    if not retry(lambda: not server.is_alive(), try_count=try_count):
-      raise AssertionError('Backup restoration took more than %i second' % (
-        try_count / 10,
-      ))
+    if not retry(lambda: not server.is_alive(), try_count=400):
+      raise AssertionError('Backup restoration took too long')
     return server.exitcode
 
   def _startServer(self, *argv):
@@ -1529,9 +1526,9 @@ class CaucaseTest(unittest.TestCase):
     db.close()
     del db
     self._startServer('--backup-directory', self._server_backup_path)
-    backup_path_list = retry(lambda: glob.glob(backup_glob), try_count=20)
+    backup_path_list = retry(lambda: glob.glob(backup_glob), try_count=300)
     if not backup_path_list:
-      raise AssertionError('Backup file not created after 2 second')
+      raise AssertionError('Backup file took too long to be created')
     backup_path, = glob.glob(backup_glob)
     cli.key_id([
       '--backup', backup_path,
@@ -1556,7 +1553,6 @@ class CaucaseTest(unittest.TestCase):
         user2_new_bare_key_path,
         user2_newnew_csr_path,
         user2_newnew_key_path,
-        try_count=50,
       ),
       0,
     )