diff --git a/tests/data/test1086 b/tests/data/test1086
index 402e1f920..354b2e09a 100644
--- a/tests/data/test1086
+++ b/tests/data/test1086
@@ -6,6 +6,7 @@ EPSV
 RETR
 timeout
 FAILURE
+flaky
 </keywords>
 </info>
 
diff --git a/tests/data/test1113 b/tests/data/test1113
index d6118ad2d..8d10975ea 100644
--- a/tests/data/test1113
+++ b/tests/data/test1113
@@ -6,6 +6,7 @@ RETR
 LIST
 wildcardmatch
 ftplistparser
+flaky
 </keywords>
 </info>
 
diff --git a/tests/data/test1901 b/tests/data/test1901
index c087cc384..17c04d14e 100644
--- a/tests/data/test1901
+++ b/tests/data/test1901
@@ -4,6 +4,7 @@
 HTTP
 pipelining
 multi
+flaky
 </keywords>
 </info>
 
diff --git a/tests/data/test1902 b/tests/data/test1902
index a634c46af..555b4863b 100644
--- a/tests/data/test1902
+++ b/tests/data/test1902
@@ -4,6 +4,7 @@
 HTTP
 pipelining
 multi
+flaky
 </keywords>
 </info>
 
diff --git a/tests/data/test1903 b/tests/data/test1903
index 79cae0266..c72561838 100644
--- a/tests/data/test1903
+++ b/tests/data/test1903
@@ -4,6 +4,7 @@
 HTTP
 pipelining
 multi
+flaky
 </keywords>
 </info>
 
diff --git a/tests/data/test573 b/tests/data/test573
index 054064ffb..e3299b820 100644
--- a/tests/data/test573
+++ b/tests/data/test573
@@ -3,6 +3,7 @@
 <keywords>
 HTTP
 multi
+flaky
 </keywords>
 </info>
 #