Added test cases 2000 and 2001 which test multiple protocols using the

same easy handle
Fixed the filecheck: make target to work outside the source tree

tests/data/test2000

@@ -0,0 +1,60 @@
+<testcase>
+<info>
+<keywords>
+FTP
+PASV
+FILE
+multiprotocol
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<data>
+data
+    to
+      see
+that FTP
+works
+  so does it?
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+ftp
+file
+</server>
+ <name>
+FTP RETR followed by FILE
+ </name>
+ <command>
+ftp://%HOSTIP:%FTPPORT/2000 file://localhost/%PWD/log/test2000.txt
+</command>
+<file name="log/test2000.txt">
+foo
+   bar
+bar
+   foo
+moo
+</file>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+USER anonymous
+PASS ftp@example.com
+PWD
+EPSV
+TYPE I
+SIZE 2000
+RETR 2000
+QUIT
+</protocol>
+</verify>
+</testcase>