Converted tests 558 & 559 to use the unit test framework as 1305

Test 558 was just a subset of 559 which is something that can be
easily added later.

tests/data/test1305

@@ -0,0 +1,26 @@
+<testcase>
+<info>
+<keywords>
+unittest
+hash
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+<features>
+unittest
+</features>
+ <name>
+internal hash create/add/destroy testing
+ </name>
+<tool>
+unit1305
+</tool>
+</client>
+
+</testcase>