test: Fix test after log message changed in #21294

Signed-off-by: David Goulet <dgoulet@torproject.org>

src/test/test_options.c

@@ -2826,8 +2826,8 @@ test_options_validate__single_onion(void *ignored)
   tt_int_op(ret, OP_EQ, -1);
   tt_str_op(msg, OP_EQ, "HiddenServiceNonAnonymousMode is incompatible with "
             "using Tor as an anonymous client. Please set "
-            "Socks/Trans/NATD/DNSPort to 0, or HiddenServiceNonAnonymousMode "
-            "to 0, or use the non-anonymous Tor2webMode.");
+            "Socks/Trans/NATD/DNSPort to 0, or revert "
+            "HiddenServiceNonAnonymousMode to 0.");
   tor_free(msg);
   free_options_test_data(tdata);