diff --git a/tests/data/test1086 b/tests/data/test1086
index 402e1f920731ba796427590cc23b3cc21290b640..354b2e09acb6fbab3e5dc8aa6f1ca542362be19d 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 d6118ad2d826126cedf0926b7b784eb9b5f476a6..8d10975ea0149154fccd95749be8372056b99ac5 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 c087cc3840cb595a199c4db29002d4639dd52a68..17c04d14e3591fce53264bb1b1565ae5421ae288 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 a634c46afcedf29a9cba5aaf95399ffa1af378f9..555b4863b2d5a74ea54c344df6f2e136dc4074db 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 79cae02668ed4f28acb9adb6f042f79afc1d1f30..c72561838dec68265274bfea3a324c5b507e37cc 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 054064ffbcff845a6f34c5247cae235b5b1866ec..e3299b8202491bae2712befeb0c54ef85e3866b3 100644
--- a/tests/data/test573
+++ b/tests/data/test573
@@ -3,6 +3,7 @@
 <keywords>
 HTTP
 multi
+flaky
 </keywords>
 </info>
 #