Fix typo

Author: KrisShannon

integration/99problems-01-to-10.t

@@ -167,7 +167,7 @@ plan 22;
 
     #?rakudo todo 'unknown'
     is pack(<a a a a b c c a a d e e e e>).join('+'),
-        '<a a a a+b+c c+a a+d+e e e e',
+        'a a a a+b+c c+a a+d+e e e e',
         'We should be able to pack lists';
 
     # From Larry, http://perlmonks.org/?node_id=590147