diff --git a/addons/document_ftp/test/document_ftp_test2.yml b/addons/document_ftp/test/document_ftp_test2.yml
index 4f77fdbb723..1b871ec14bd 100644
--- a/addons/document_ftp/test/document_ftp_test2.yml
+++ b/addons/document_ftp/test/document_ftp_test2.yml
@@ -14,6 +14,10 @@
     I look for the "test.txt" file at the server
 -
     I check that the content of "test.txt" is "abcd"
+-
+    I append the string 'defgh' into "test.txt"
+-
+    I check that the content of "text.txt" is 'abcdefgh'
 -
     I try to cd into an non-existing folder 'Not-This'
 -