diff --git a/test/functional/disconnect_ban.py b/test/functional/disconnect_ban.py
--- a/test/functional/disconnect_ban.py
+++ b/test/functional/disconnect_ban.py
@@ -1,31 +1,31 @@
 #!/usr/bin/env python3
-# Copyright (c) 2014-2016 The Bitcoin Core developers
+# Copyright (c) 2014-2017 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test node disconnect and ban behavior"""
+import time
 
-from test_framework.mininode import wait_until
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (assert_equal,
-                                 assert_raises_jsonrpc,
-                                 connect_nodes_bi)
+from test_framework.util import (
+    assert_equal,
+    assert_raises_jsonrpc,
+    connect_nodes_bi,
+)
+from test_framework.mininode import wait_until
 
 
 class DisconnectBanTest(BitcoinTestFramework):
-
     def __init__(self):
         super().__init__()
         self.num_nodes = 2
-        self.setup_clean_chain = False
 
     def run_test(self):
         self.log.info("Test setban and listbanned RPCs")
-
         self.log.info("setban: successfully ban single IP address")
         # node1 should have 2 connections to node0 at this point
         assert_equal(len(self.nodes[1].getpeerinfo()), 2)
         self.nodes[1].setban("127.0.0.1", "add")
-        wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0)
+        wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0, timeout=10)
         # all nodes must be disconnected at this point
         assert_equal(len(self.nodes[1].getpeerinfo()), 0)
         assert_equal(len(self.nodes[1].listbanned()), 1)
@@ -37,19 +37,18 @@
 
         self.log.info("setban: fail to ban an already banned subnet")
         assert_equal(len(self.nodes[1].listbanned()), 1)
-        assert_raises_jsonrpc(
-            -23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add")
+        assert_raises_jsonrpc(-23, "IP/Subnet already banned",
+                              self.nodes[1].setban, "127.0.0.1", "add")
 
         self.log.info("setban: fail to ban an invalid subnet")
-        assert_raises_jsonrpc(
-            -30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add")
-        # still only one banned ip because 127.0.0.1 is within the range of
-        # 127.0.0.0/24
+        assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet",
+                              self.nodes[1].setban, "127.0.0.1/42", "add")
+        # still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24
         assert_equal(len(self.nodes[1].listbanned()), 1)
 
         self.log.info("setban remove: fail to unban a non-banned subnet")
-        assert_raises_jsonrpc(
-            -30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove")
+        assert_raises_jsonrpc(-30, "Error: Unban failed",
+                              self.nodes[1].setban, "127.0.0.1", "remove")
         assert_equal(len(self.nodes[1].listbanned()), 1)
 
         self.log.info("setban remove: successfully unban subnet")
@@ -61,19 +60,26 @@
         self.log.info("setban: test persistence across node restart")
         self.nodes[1].setban("127.0.0.0/32", "add")
         self.nodes[1].setban("127.0.0.0/24", "add")
-        # ban for 1 seconds
-        self.nodes[1].setban("192.168.0.1", "add", 1)
+        # Set the mocktime so we can control when bans expire
+        old_time = int(time.time())
+        self.nodes[1].setmocktime(old_time)
+        self.nodes[1].setban("192.168.0.1", "add", 1)  # ban for 1 seconds
         # ban for 1000 seconds
         self.nodes[1].setban(
             "2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000)
         listBeforeShutdown = self.nodes[1].listbanned()
         assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address'])
-        wait_until(lambda: len(self.nodes[1].listbanned()) == 3)
+        # Move time forward by 3 seconds so the third ban has expired
+        self.nodes[1].setmocktime(old_time + 3)
+        assert_equal(len(self.nodes[1].listbanned()), 3)
 
         self.stop_node(1)
-
+        self.log.info("Test disconnectnode RPCs")
         self.nodes[1] = self.start_node(1, self.options.tmpdir)
+
         listAfterShutdown = self.nodes[1].listbanned()
+        self.log.info('list')
+        self.log.info(listAfterShutdown)
         assert_equal("127.0.0.0/24", listAfterShutdown[0]['address'])
         assert_equal("127.0.0.0/32", listAfterShutdown[1]['address'])
         assert_equal("/19" in listAfterShutdown[2]['address'], True)
@@ -88,9 +94,8 @@
             "disconnectnode: fail to disconnect when calling with address and nodeid")
         address1 = self.nodes[0].getpeerinfo()[0]['addr']
         node1 = self.nodes[0].getpeerinfo()[0]['addr']
-        assert_raises_jsonrpc(
-            -32602, "Only one of address and nodeid should be provided.",
-            self.nodes[0].disconnectnode, address=address1, nodeid=node1)
+        assert_raises_jsonrpc(-32602, "Only one of address and nodeid should be provided.",
+                              self.nodes[0].disconnectnode, address=address1, nodeid=node1)
 
         self.log.info(
             "disconnectnode: fail to disconnect when calling with junk address")
@@ -101,24 +106,23 @@
             "disconnectnode: successfully disconnect node by address")
         address1 = self.nodes[0].getpeerinfo()[0]['addr']
         self.nodes[0].disconnectnode(address=address1)
-        wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1)
-        assert not [node for node in self.nodes[0]
-                    .getpeerinfo() if node['addr'] == address1]
+        wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10)
+        assert not [node for node in self.nodes[0].getpeerinfo()
+                    if node['addr'] == address1]
 
         self.log.info("disconnectnode: successfully reconnect node")
-        # reconnect the node
-        connect_nodes_bi(self.nodes, 0, 1)
+        connect_nodes_bi(self.nodes, 0, 1)  # reconnect the node
         assert_equal(len(self.nodes[0].getpeerinfo()), 2)
-        assert [node for node in self.nodes[0]
-                .getpeerinfo() if node['addr'] == address1]
+        assert [node for node in self.nodes[0].getpeerinfo() if node['addr']
+                == address1]
 
         self.log.info(
             "disconnectnode: successfully disconnect node by node id")
         id1 = self.nodes[0].getpeerinfo()[0]['id']
         self.nodes[0].disconnectnode(nodeid=id1)
-        wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1)
-        assert not [node for node in self.nodes[
-            0].getpeerinfo() if node['id'] == id1]
+        wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10)
+        assert not [node for node in self.nodes[0].getpeerinfo()
+                    if node['id'] == id1]
 
 
 if __name__ == '__main__':