Added SSH failure test cases 628-632

tests/data/test631

@@ -0,0 +1,34 @@
+<testcase>
+<info>
+<keywords>
+SCP
+FAILURE
+server key check
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+scp
+</server>
+ <name>
+SCP incorrect host key
+ </name>
+ <command>
+--hostpubmd5 00000000000000000000000000000000 --key curl_client_key --pubkey curl_client_key.pub -u %USER: scp://%HOSTIP:%SSHPORT%PWD/log/irrelevant-file
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<errorcode>
+51
+</errorcode>
+<valgrind>
+disable
+</valgrind>
+</verify>
+</testcase>