diff --git a/irctest/server_tests/test_message_tags.py b/irctest/server_tests/test_message_tags.py
index 3ab75af..6c0f76b 100644
--- a/irctest/server_tests/test_message_tags.py
+++ b/irctest/server_tests/test_message_tags.py
@@ -22,7 +22,12 @@ class MessageTagsTestCase(cases.BaseServerTestCase, cases.OptionalityHelper):
             self.assertEqual(msg.tags, {})
             return msg
 
-        self.connectClient('alice', name='alice', capabilities=['message-tags'])
+        self.connectClient(
+            'alice',
+            name='alice',
+            capabilities=['message-tags'],
+            skip_if_cap_nak=True
+        )
         self.joinChannel('alice', '#test')
         self.connectClient('bob', name='bob', capabilities=['message-tags', 'echo-message'])
         self.joinChannel('bob', '#test')
@@ -83,7 +88,12 @@ class MessageTagsTestCase(cases.BaseServerTestCase, cases.OptionalityHelper):
 
     @cases.SpecificationSelector.requiredBySpecification('message-tags')
     def testLengthLimits(self):
-        self.connectClient('alice', name='alice', capabilities=['message-tags', 'echo-message'])
+        self.connectClient(
+            'alice',
+            name='alice',
+            capabilities=['message-tags', 'echo-message'],
+            skip_if_cap_nak=True
+        )
         self.joinChannel('alice', '#test')
         self.connectClient('bob', name='bob', capabilities=['message-tags'])
         self.joinChannel('bob', '#test')
diff --git a/irctest/server_tests/test_monitor.py b/irctest/server_tests/test_monitor.py
index 5326796..f51ee87 100644
--- a/irctest/server_tests/test_monitor.py
+++ b/irctest/server_tests/test_monitor.py
@@ -272,7 +272,10 @@ class MonitorTestCase(cases.BaseServerTestCase):
         self.sendLine(2, 'NICK qux')
         self.getMessages(2)
         mononline = self.getMessages(1)[0]
-        self.assertMessageEqual(mononline, command=RPL_MONONLINE, params=['bar', 'qux'])
+        self.assertEqual(mononline.command, RPL_MONONLINE)
+        self.assertEqual(len(mononline.params), 2, mononline.params)
+        self.assertIn(mononline.params[0], ('bar', '*'))
+        self.assertEqual(mononline.params[1].split('!')[0], 'qux')
 
         # no numerics for a case change
         self.sendLine(2, 'NICK QUX')
@@ -283,4 +286,7 @@ class MonitorTestCase(cases.BaseServerTestCase):
         self.getMessages(2)
         monoffline = self.getMessages(1)[0]
         # should get RPL_MONOFFLINE with the current unfolded nick
-        self.assertMessageEqual(monoffline, command=RPL_MONOFFLINE, params=['bar', 'QUX'])
+        self.assertEqual(monoffline.command, RPL_MONOFFLINE)
+        self.assertEqual(len(monoffline.params), 2, monoffline.params)
+        self.assertIn(monoffline.params[0], ('bar', '*'))
+        self.assertEqual(monoffline.params[1].split('!')[0], 'QUX')
diff --git a/irctest/server_tests/test_multiline.py b/irctest/server_tests/test_multiline.py
index 075f6d8..abdcc85 100644
--- a/irctest/server_tests/test_multiline.py
+++ b/irctest/server_tests/test_multiline.py
@@ -14,7 +14,9 @@ class MultilineTestCase(cases.BaseServerTestCase, cases.OptionalityHelper):
 
     @cases.SpecificationSelector.requiredBySpecification('multiline')
     def testBasic(self):
-        self.connectClient('alice', capabilities=(base_caps + [CAP_NAME]))
+        self.connectClient(
+            'alice', capabilities=(base_caps + [CAP_NAME]), skip_if_cap_nak=True
+        )
         self.joinChannel(1, '#test')
         self.connectClient('bob', capabilities=(base_caps + [CAP_NAME]))
         self.joinChannel(2, '#test')
@@ -80,7 +82,9 @@ class MultilineTestCase(cases.BaseServerTestCase, cases.OptionalityHelper):
 
     @cases.SpecificationSelector.requiredBySpecification('multiline')
     def testBlankLines(self):
-        self.connectClient('alice', capabilities=(base_caps + [CAP_NAME]))
+        self.connectClient(
+            'alice', capabilities=(base_caps + [CAP_NAME]), skip_if_cap_nak=True
+        )
         self.joinChannel(1, '#test')
         self.connectClient('bob', capabilities=(base_caps + [CAP_NAME]))
         self.joinChannel(2, '#test')
diff --git a/irctest/server_tests/test_regressions.py b/irctest/server_tests/test_regressions.py
index db40cb9..7559845 100644
--- a/irctest/server_tests/test_regressions.py
+++ b/irctest/server_tests/test_regressions.py
@@ -56,7 +56,11 @@ class RegressionsTestCase(cases.BaseServerTestCase):
     @cases.SpecificationSelector.requiredBySpecification('IRCv3.2')
     def testTagCap(self):
         # regression test for oragono #754
-        self.connectClient('alice', capabilities=['message-tags', 'batch', 'echo-message', 'server-time'])
+        self.connectClient(
+            'alice',
+            capabilities=['message-tags', 'batch', 'echo-message', 'server-time'],
+            skip_if_cap_nak=True
+        )
         self.connectClient('bob')
         self.getMessages(1)
         self.getMessages(2)