diff --git a/tests/data/test1007 b/tests/data/test1007
index 603d4c6390..ca12808626 100644
--- a/tests/data/test1007
+++ b/tests/data/test1007
@@ -13,6 +13,9 @@ FAILURE
 <server>
 tftp
 </server>
+<features>
+verbose-strings
+</features>
 <name>
 TFTP send with invalid permission on server
 </name>
diff --git a/tests/data/test1287 b/tests/data/test1287
index 48d71038ad..c9d2a6cb2d 100644
--- a/tests/data/test1287
+++ b/tests/data/test1287
@@ -62,6 +62,7 @@ HTTP over proxy-tunnel ignore TE and CL in CONNECT 2xx responses
 </command>
 <features>
 proxy
+verbose-strings
 </features>
 </client>
 
diff --git a/tests/data/test1506 b/tests/data/test1506
index ed95e3be6f..af581ae6bf 100644
--- a/tests/data/test1506
+++ b/tests/data/test1506
@@ -48,6 +48,9 @@ file contents should appear once for each file
 <server>
 http
 </server>
+<features>
+verbose-strings
+</features>
 <tool>
 lib%TESTNUMBER
 </tool>
diff --git a/tests/data/test1538 b/tests/data/test1538
index bbae00f0e9..df8aca936f 100644
--- a/tests/data/test1538
+++ b/tests/data/test1538
@@ -13,6 +13,9 @@ verbose logs
 
 # Client-side
 <client>
+<features>
+verbose-strings
+</features>
 <tool>
 lib%TESTNUMBER
 </tool>
diff --git a/tests/data/test1542 b/tests/data/test1542
index 656af421df..e9061a8f2b 100644
--- a/tests/data/test1542
+++ b/tests/data/test1542
@@ -23,6 +23,9 @@ Content-Length: 0
 <server>
 http
 </server>
+<features>
+verbose-strings
+</features>
 <tool>
 lib%TESTNUMBER
 </tool>
diff --git a/tests/data/test1559 b/tests/data/test1559
index cf4b13d4a2..981e46f9f1 100644
--- a/tests/data/test1559
+++ b/tests/data/test1559
@@ -14,6 +14,7 @@ verbose logs
 # require HTTP so that CURLOPT_POSTFIELDS works as assumed
 <features>
 http
+verbose-strings
 </features>
 <tool>
 lib%TESTNUMBER
diff --git a/tests/data/test1652 b/tests/data/test1652
index face77c981..848d5ca5b5 100644
--- a/tests/data/test1652
+++ b/tests/data/test1652
@@ -9,6 +9,7 @@ infof
 <client>
 <features>
 unittest
+verbose-strings
 </features>
 <name>
 infof
diff --git a/tests/data/test2402 b/tests/data/test2402
index 4e08e45ac4..5133a0944a 100644
--- a/tests/data/test2402
+++ b/tests/data/test2402
@@ -49,6 +49,7 @@ file contents should appear once for each file
 <features>
 http/2
 SSL
+verbose-strings
 </features>
 <server>
 http/2
diff --git a/tests/data/test2404 b/tests/data/test2404
index 13e48c8be5..881a32120f 100644
--- a/tests/data/test2404
+++ b/tests/data/test2404
@@ -49,6 +49,7 @@ file contents should appear once for each file
 <features>
 http/2
 SSL
+verbose-strings
 </features>
 <server>
 http/2
diff --git a/tests/data/test2502 b/tests/data/test2502
index f7822e8c26..8625ee7b74 100644
--- a/tests/data/test2502
+++ b/tests/data/test2502
@@ -48,6 +48,7 @@ file contents should appear once for each file
 <client>
 <features>
 http/3
+verbose-strings
 </features>
 <server>
 http/3