Two new slowdown tests for better testing of the FTP response reader function

when the response come in many small chunks.

tests/data/Makefile.am

@@ -33,7 +33,8 @@ EXTRA_DIST = test1 test108 test117 test127 test20 test27 test34 test46	\
  test241 test242 test519 test214 test215 test216 test217 test218	\
  test199 test225 test226 test227 test230 test231 test232 test228	\
  test229 test233 test234 test235 test236 test520 test237 test238 \
- test239 test243 test245 test246 test247 test248 test249
+ test239 test243 test245 test246 test247 test248 test249 test250 \
+ test251
 
 # The following tests have been removed from the dist since they no longer
 # work. We need to fix the test suite's FTPS server first, then bring them

tests/data/test250

+#
+# Server-side
+<reply>
+<data>
+total 20
+drwxr-xr-x   8 98       98           512 Oct 22 13:06 .
+drwxr-xr-x   8 98       98           512 Oct 22 13:06 ..
+drwxr-xr-x   2 98       98           512 May  2  1996 .NeXT
+-r--r--r--   1 0        1             35 Jul 16  1996 README
+lrwxrwxrwx   1 0        1              7 Dec  9  1999 bin -> usr/bin
+dr-xr-xr-x   2 0        1            512 Oct  1  1997 dev
+drwxrwxrwx   2 98       98           512 May 29 16:04 download.html
+dr-xr-xr-x   2 0        1            512 Nov 30  1995 etc
+drwxrwxrwx   2 98       1            512 Oct 30 14:33 pub
+dr-xr-xr-x   5 0        1            512 Oct  1  1997 usr
+</data>
+<servercmd>
+SLOWDOWN
+</servercmd>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+ftp
+</server>
+ <name>
+FTP dir list PASV with slow response
+ </name>
+ <command>
+ftp://%HOSTIP:%FTPPORT/
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+filter off really nothing
+</strip>
+<protocol>
+USER anonymous
+PASS curl_by_daniel@haxx.se
+PWD
+EPSV
+TYPE A
+LIST
+QUIT
+</protocol>
+</verify>

tests/data/test251

+# Server-side
+<reply>
+<data>
+total 20
+drwxr-xr-x   8 98       98           512 Oct 22 13:06 .
+drwxr-xr-x   8 98       98           512 Oct 22 13:06 ..
+drwxr-xr-x   2 98       98           512 May  2  1996 .NeXT
+-r--r--r--   1 0        1             35 Jul 16  1996 README
+lrwxrwxrwx   1 0        1              7 Dec  9  1999 bin -> usr/bin
+dr-xr-xr-x   2 0        1            512 Oct  1  1997 dev
+drwxrwxrwx   2 98       98           512 May 29 16:04 download.html
+dr-xr-xr-x   2 0        1            512 Nov 30  1995 etc
+drwxrwxrwx   2 98       1            512 Oct 30 14:33 pub
+dr-xr-xr-x   5 0        1            512 Oct  1  1997 usr
+</data>
+<servercmd>
+SLOWDOWN
+</servercmd>
+</reply>
+
+# Client-side
+<client>
+<server>
+ftp
+</server>
+ <name>
+FTP dir list, PORT with specified IP and slow response
+ </name>
+ <command>
+ftp://%HOSTIP:%FTPPORT/ -P %HOSTIP
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+# strip all kinds of PORT, EPRT and LPRT curl can do
+<strip>
+^PORT 127,0,0,1,.*
+^EPRT.*
+^LPRT.*
+</strip>
+<protocol>
+USER anonymous
+PASS curl_by_daniel@haxx.se
+PWD
+PORT 127,0,0,1,243,212
+TYPE A
+LIST
+QUIT
+</protocol>
+</verify>