diff --git a/tests/data/test500 b/tests/data/test500
new file mode 100644
index 0000000000000000000000000000000000000000..52f4174f21272a80cca6ac0809d17c60b8d4e8a6
--- /dev/null
+++ b/tests/data/test500
@@ -0,0 +1,48 @@
+#
+# Server-side
+<reply name="1">
+<data>
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
+ETag: "21025-dc7-39462498"
+Accept-Ranges: bytes
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+
+<foo>
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+# tool is what to use instead of 'curl'
+<tool>
+lib500
+</tool>
+
+ <name>
+simple libcurl HTTP GET tool
+ </name>
+ <command>
+http://%HOSTIP:%HOSTPORT/500
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+GET /500 HTTP/1.1
+Host: 127.0.0.1:8999
+Pragma: no-cache
+Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*
+
+</protocol>
+</verify>
diff --git a/tests/data/test501 b/tests/data/test501
new file mode 100644
index 0000000000000000000000000000000000000000..d5281d7ea1178410d6f22a25cc882485854976d0
--- /dev/null
+++ b/tests/data/test501
@@ -0,0 +1,44 @@
+#
+# Server-side
+<reply name="1">
+<data>
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
+ETag: "21025-dc7-39462498"
+Accept-Ranges: bytes
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+
+<foo>
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+# tool is what to use instead of 'curl'
+<tool>
+lib500
+</tool>
+
+ <name>
+simple libcurl attempt operation without URL set
+ </name>
+ <command>
+http://%HOSTIP:%HOSTPORT/501
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<errorcode>
+3
+</errorcode>
+</verify>