diff --git a/test/test_pihole_scripts.py b/test/test_pihole_scripts.py
index bb6b877..b315617 100644
--- a/test/test_pihole_scripts.py
+++ b/test/test_pihole_scripts.py
@@ -1,14 +1,18 @@
 import pytest
 
+
 @pytest.fixture
 def start_cmd():
     ''' broken by default, required override '''
     return None
 
+
 @pytest.fixture
 def RunningPiHole(DockerPersist, Slow, persist_webserver, persist_tag, start_cmd):
     ''' Override the RunningPiHole to run and check for success of a
-        pihole-FTL start based `pihole` script command '''
+        pihole-FTL start based `pihole` script command
+        
+        Individual tests all must override start_cmd'''
     #print DockerPersist.run('ps -ef').stdout
     assert DockerPersist.dig.run('ping -c 1 test_pihole').rc == 0
     Slow(lambda: DockerPersist.run('pgrep pihole-FTL').rc == 0)
@@ -26,16 +30,12 @@ def RunningPiHole(DockerPersist, Slow, persist_webserver, persist_tag, start_cmd
     DockerPersist.cmd = cmd
     return DockerPersist
 
-@pytest.mark.parametrize('start_cmd', ['start_cmd'])
-def test_pihole_start_cmd(RunningPiHole, start_cmd, persist_tag):
-    ''' the start_cmd tests are all built into the RunningPiHole fixture in this file '''
-    assert RunningPiHole.cmd.stdout == START_DNS_STDOUT[persist_tag]
 
 @pytest.mark.parametrize('start_cmd,hostname,expected_ip, expected_messages', [
     ('enable',  'pi.hole', '127.0.0.1', ['Enabling blocking','Pi-hole Enabled']),
     ('disable', 'pi.hole', '127.0.0.1', ['Disabling blocking','Pi-hole Disabled']),
 ])
-def test_pihole_start_cmd(RunningPiHole, Dig, persist_tag, start_cmd, hostname, expected_ip, expected_messages):
+def test_pihole_enable_disable_command(RunningPiHole, Dig, persist_tag, start_cmd, hostname, expected_ip, expected_messages):
     ''' the start_cmd tests are all built into the RunningPiHole fixture in this file '''
     dig_cmd = "dig +time=1 +noall +answer {} @test_pihole".format(hostname)
     lookup = RunningPiHole.dig.run(dig_cmd)
@@ -45,3 +45,10 @@ def test_pihole_start_cmd(RunningPiHole, Dig, persist_tag, start_cmd, hostname,
 
     for part_of_output in expected_messages:
         assert part_of_output in RunningPiHole.cmd.stdout
+
+@pytest.mark.parametrize('start_cmd,expected_message', [
+    ('-up', 'Function not supported in Docker images')
+])
+def test_pihole_update_command(RunningPiHole, start_cmd, expected_message):
+    assert RunningPiHole.cmd.stdout.strip() == expected_message
+