IPv6 is a required feature for these two tests, even if it's not obvious.

tests/data/test116

@@ -18,6 +18,10 @@ REPLY PORT 314 bluah you f00l!
 <server>
 ftp
 </server>
+# EPRT is only sent when IPv6 is enabled
+<features>
+ipv6
+</features>
  <name>
 FTP download, failed PORT
  </name>

tests/data/test212

@@ -14,6 +14,10 @@ REPLY EPRT 500 no such command
 <server>
 ftp
 </server>
+# EPRT is only sent when IPv6 is enabled
+<features>
+ipv6
+</features>
  <name>
 Get two FTP files with no remote EPRT support
  </name>