Rename FUNCTION_HARNESS_RESULT*() macros to FUNCTION_HARNESS_RETURN*().

When the FUNCTION_*_RESULT*() macros were renamed to FUNCTION_*_RETURN_*() in the core code the test harness macros were missed.

Update them to make the naming consistent.

test/src/module/command/infoTest.c

@@ -2608,5 +2608,5 @@ testRun(void)
                 "HINT: is the backup listed when running the info command with --stanza option only?");
     }
 
-    FUNCTION_HARNESS_RESULT_VOID();
+    FUNCTION_HARNESS_RETURN_VOID();
 }