diff --git a/tests/data/test1008 b/tests/data/test1008
index 261874372a..604f293a72 100644
--- a/tests/data/test1008
+++ b/tests/data/test1008
@@ -86,6 +86,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy CONNECT auth NTLM with chunked-encoded 407 response
diff --git a/tests/data/test1021 b/tests/data/test1021
index 77b75dcaa2..d824942497 100644
--- a/tests/data/test1021
+++ b/tests/data/test1021
@@ -92,6 +92,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy CONNECT with any proxyauth and proxy offers NTLM and close
diff --git a/tests/data/test1100 b/tests/data/test1100
index 6b5ef51502..713170fecf 100644
--- a/tests/data/test1100
+++ b/tests/data/test1100
@@ -64,6 +64,7 @@ This is the final page !
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test1215 b/tests/data/test1215
index f43b5e3ca3..dc62b6635c 100644
--- a/tests/data/test1215
+++ b/tests/data/test1215
@@ -59,6 +59,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test150 b/tests/data/test150
index 2b2546fb1b..b45cf4613b 100644
--- a/tests/data/test150
+++ b/tests/data/test150
@@ -58,6 +58,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test155 b/tests/data/test155
index 0a2a999386..14a45244d3 100644
--- a/tests/data/test155
+++ b/tests/data/test155
@@ -77,6 +77,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test159 b/tests/data/test159
index 0d53676491..3e67118a3b 100644
--- a/tests/data/test159
+++ b/tests/data/test159
@@ -58,6 +58,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test169 b/tests/data/test169
index af4595fe11..5c713a9920 100644
--- a/tests/data/test169
+++ b/tests/data/test169
@@ -78,6 +78,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP with proxy-requiring-NTLM to site-requiring-Digest
diff --git a/tests/data/test209 b/tests/data/test209
index 2f68a15267..cfe359b14d 100644
--- a/tests/data/test209
+++ b/tests/data/test209
@@ -76,6 +76,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy CONNECT auth NTLM
diff --git a/tests/data/test213 b/tests/data/test213
index 420b58bad3..ceb89c6d34 100644
--- a/tests/data/test213
+++ b/tests/data/test213
@@ -76,6 +76,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP 1.0 proxy CONNECT auth NTLM and then POST
diff --git a/tests/data/test239 b/tests/data/test239
index 1f94a1d001..d1ca4e56d6 100644
--- a/tests/data/test239
+++ b/tests/data/test239
@@ -53,6 +53,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy-auth NTLM and then POST
diff --git a/tests/data/test243 b/tests/data/test243
index 0ca8621c7c..7d46c0bb5c 100644
--- a/tests/data/test243
+++ b/tests/data/test243
@@ -74,6 +74,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP POST with --proxy-anyauth, picking NTLM
diff --git a/tests/data/test265 b/tests/data/test265
index fc5a53d9ba..473fbff068 100644
--- a/tests/data/test265
+++ b/tests/data/test265
@@ -79,6 +79,7 @@ http
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy CONNECT auth NTLM and then POST, response-body in the 407
diff --git a/tests/data/test267 b/tests/data/test267
index ce10966fe5..1223347426 100644
--- a/tests/data/test267
+++ b/tests/data/test267
@@ -57,6 +57,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test547 b/tests/data/test547
index dd4c04e47f..20a5ab91a5 100644
--- a/tests/data/test547
+++ b/tests/data/test547
@@ -77,6 +77,7 @@ lib547
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy auth NTLM with POST data from read callback
diff --git a/tests/data/test548 b/tests/data/test548
index 1983f6f42c..2d37574db8 100644
--- a/tests/data/test548
+++ b/tests/data/test548
@@ -77,6 +77,7 @@ lib548
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy auth NTLM with POST data from CURLOPT_POSTFIELDS
diff --git a/tests/data/test555 b/tests/data/test555
index 03b61f67dc..6fdd856a80 100644
--- a/tests/data/test555
+++ b/tests/data/test555
@@ -82,6 +82,7 @@ lib555
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy auth NTLM with POST data from read callback multi-if
diff --git a/tests/data/test590 b/tests/data/test590
index ed962f09af..e72676132e 100644
--- a/tests/data/test590
+++ b/tests/data/test590
@@ -75,6 +75,7 @@ lib590
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 HTTP proxy offers Negotiate+NTLM, use only NTLM
diff --git a/tests/data/test67 b/tests/data/test67
index 0281698aac..657b115479 100644
--- a/tests/data/test67
+++ b/tests/data/test67
@@ -57,6 +57,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test68 b/tests/data/test68
index ef6a461cce..a67a2f6b87 100644
--- a/tests/data/test68
+++ b/tests/data/test68
@@ -56,6 +56,7 @@ Wrong password dude. Get it fixed and return.
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test69 b/tests/data/test69
index 01dcdfcc81..0281b8b44f 100644
--- a/tests/data/test69
+++ b/tests/data/test69
@@ -73,6 +73,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test81 b/tests/data/test81
index 5243f4565f..0a48738e8c 100644
--- a/tests/data/test81
+++ b/tests/data/test81
@@ -56,6 +56,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test822 b/tests/data/test822
index aef4fd5e4e..1a50e4ce7c 100644
--- a/tests/data/test822
+++ b/tests/data/test822
@@ -36,6 +36,7 @@ imap
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 IMAP NTLM authentication
diff --git a/tests/data/test827 b/tests/data/test827
index ed19fc67fd..14bee484e3 100644
--- a/tests/data/test827
+++ b/tests/data/test827
@@ -37,6 +37,7 @@ imap
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 IMAP NTLM authentication with initial response
diff --git a/tests/data/test868 b/tests/data/test868
index 861e5e6795..82bd9b64f0 100644
--- a/tests/data/test868
+++ b/tests/data/test868
@@ -38,6 +38,7 @@ pop3
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 POP3 NTLM authentication
diff --git a/tests/data/test873 b/tests/data/test873
index 43f9eb87c2..790c0acc7e 100644
--- a/tests/data/test873
+++ b/tests/data/test873
@@ -38,6 +38,7 @@ pop3
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 POP3 NTLM authentication with initial response
diff --git a/tests/data/test89 b/tests/data/test89
index 1dee7c1158..dc2c1d116d 100644
--- a/tests/data/test89
+++ b/tests/data/test89
@@ -90,6 +90,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test90 b/tests/data/test90
index 076718f3d8..43f80ee31c 100644
--- a/tests/data/test90
+++ b/tests/data/test90
@@ -128,6 +128,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test906 b/tests/data/test906
index 01f0dd2072..4ff6c9fd05 100644
--- a/tests/data/test906
+++ b/tests/data/test906
@@ -28,6 +28,7 @@ smtp
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 SMTP NTLM authentication
diff --git a/tests/data/test91 b/tests/data/test91
index b6d1d1edfe..0cd9606bcf 100644
--- a/tests/data/test91
+++ b/tests/data/test91
@@ -74,6 +74,7 @@ Finally, this is the real page!
 <features>
 NTLM
 !SSPI
+debug
 </features>
 <server>
 http
diff --git a/tests/data/test921 b/tests/data/test921
index 78ea8b6b58..01c8ff9fac 100644
--- a/tests/data/test921
+++ b/tests/data/test921
@@ -28,6 +28,7 @@ smtp
 <features>
 NTLM
 !SSPI
+debug
 </features>
  <name>
 SMTP NTLM authentication with initial response