adjust timeouts to try to make test more robust

src/exchange-lib/exchange_api_handle.c

@@ -836,7 +836,6 @@ keys_completed_cb (void *cls,
               "Received keys from URL `%s' with status %ld.\n",
               kr->url,
               response_code);
-  json_dumpf (resp_obj, stderr, 0);
   kd_old = exchange->key_data;
   memset (&kd,
           0,

src/exchange-lib/test_exchange_api_keys_cherry_picking_new.c

@@ -73,7 +73,7 @@ run (void *cls,
                                   is->exchange),
     /* sleep a bit */
     TALER_TESTING_cmd_sleep ("sleep",
-                             25),
+                             10),
     /* 1st keyup happens at start-up */
     TALER_TESTING_cmd_exec_keyup ("keyup-2",
                                   CONFIG_FILE_EXTENDED),
@@ -89,7 +89,7 @@ run (void *cls,
 
     /* sleep a bit */
     TALER_TESTING_cmd_sleep ("sleep",
-                             24),
+                             20),
     /* Do 2nd keyup */
     TALER_TESTING_cmd_exec_keyup ("keyup-3",
                                   CONFIG_FILE_EXTENDED),
@@ -100,7 +100,7 @@ run (void *cls,
                               SIGUSR1),
     TALER_TESTING_cmd_check_keys ("check-keys-3",
                                   3,
-                                  10,
+                                  8,
                                   is->exchange),
     TALER_TESTING_cmd_end ()
   };