diff --git a/confirm_req.py b/confirm_req.py
index be60daf..ea85fee 100755
--- a/confirm_req.py
+++ b/confirm_req.py
@@ -310,7 +310,7 @@ def test_confirm_req(self):
             binascii.unhexlify('991CF190094C00F0B68E2E5F75F6BEE95A2E0BD93CEAA4A6734DB9F19B728948'),
             binascii.unhexlify('E89208DD038FBB269987689621D52292AE9C35941A7484756ECCED92A65093BA'))
 
-        self.assertTrue(confirm_req_peer(ctx, None, pair, peeraddr=peeraddr,
+        self.assertTrue(confirm_req_peer(ctx, pair, peeraddr=peeraddr,
                                          peerport=peerport))
 
 
diff --git a/pull_blocks.py b/pull_blocks.py
index 1c36c44..f034e52 100755
--- a/pull_blocks.py
+++ b/pull_blocks.py
@@ -88,7 +88,7 @@ def test_pull_blocks(self):
         ob = block_open(open_block['source'], open_block['rep'], open_block['account'], open_block['sign'],
                         open_block['work'])
 
-        account = ctx["genesis_pub"]
+        account = binascii.unhexlify(ctx["genesis_pub"])
         peeraddr = '::ffff:94.130.12.236'
         peerport = 7075
         with get_connected_socket_endpoint(peeraddr, peerport) as s:
diff --git a/xnotests.py b/xnotests.py
index 5f22d56..1952417 100755
--- a/xnotests.py
+++ b/xnotests.py
@@ -676,7 +676,7 @@ def test_frontier_service_client(self):
         frontserv = frontier_service(livectx, inter, 0)
         thread1 = threading.Thread(target=frontserv.start_service, daemon=True)
         thread1.start()
-        time.sleep(3)
+        time.sleep(5)
         s_packet = get_all_frontiers_packet_from_service()
         self.assertTrue(len(s_packet.frontiers) > 0)