[test/testdata/cookies/session_cookies.txt] Fix empty expires test data

test/testdata/cookies/session_cookies.txt

@@ -2,5 +2,5 @@
 # http://curl.haxx.se/rfc/cookie_spec.html
 # This is a generated file!  Do not edit.
 
+www.foobar.foobar	FALSE	/	TRUE		YoutubeDLExpiresEmpty	YoutubeDLExpiresEmptyValue
 www.foobar.foobar	FALSE	/	TRUE	0	YoutubeDLExpires0	YoutubeDLExpires0Value
-www.foobar.foobar	FALSE	/	TRUE	0	YoutubeDLExpiresEmpty	YoutubeDLExpiresEmptyValue