[2442] updated some TXT-like test data without using intermediate space.

when we migrate the complete lexer version, this will cause confusion:
the lexer will consider the space as a separater.

src/lib/util/python/gen_wiredata.py.in

@@ -770,7 +770,7 @@ class TXT(RR):
 
     nstring = 1
     stringlen = None
-    string = 'Test String'
+    string = 'Test-String'
 
     def dump(self, f):
         stringlen_list = []