diff --git a/tests/data/test150 b/tests/data/test150
index e180a47602..2b2546fb1b 100644
--- a/tests/data/test150
+++ b/tests/data/test150
@@ -1,4 +1,11 @@
 <testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+HTTP NTLM auth
+</keywords>
+</info>
 
 <!-- Server-side -->
 <reply>
diff --git a/tests/data/test155 b/tests/data/test155
index 1b6f883e4f..8f765331af 100644
--- a/tests/data/test155
+++ b/tests/data/test155
@@ -3,6 +3,7 @@
 <keywords>
 HTTP
 HTTP PUT
+HTTP NTLM auth
 </keywords>
 </info>
 
diff --git a/tests/data/test159 b/tests/data/test159
index 8cde7236b1..0d53676491 100644
--- a/tests/data/test159
+++ b/tests/data/test159
@@ -3,6 +3,7 @@
 <keywords>
 HTTP
 HTTP GET
+HTTP NTLM auth
 </keywords>
 </info>
 
diff --git a/tests/data/test176 b/tests/data/test176
index ed0c946e89..ffff82c2c0 100644
--- a/tests/data/test176
+++ b/tests/data/test176
@@ -3,6 +3,7 @@
 <keywords>
 HTTP
 HTTP POST
+HTTP NTLM auth
 </keywords>
 </info>
 
diff --git a/tests/data/test552 b/tests/data/test552
index 3ae702bce3..4840a2062f 100644
Binary files a/tests/data/test552 and b/tests/data/test552 differ
diff --git a/tests/data/test553 b/tests/data/test553
index 5552936217..bd937f016a 100644
--- a/tests/data/test553
+++ b/tests/data/test553
@@ -44,8 +44,6 @@ http://%HOSTIP:%HTTPPORT/path/553
 <strip>
 ^User-Agent: curl/.*
 </strip>
-# We strip off a large chunk of the type-2 NTLM message since it depends on
-# the local host name and thus differs on different machines!
 <protocol nonewline="yes">
 POST /path/553 HTTP/1.1
 Host: %HOSTIP:%HTTPPORT