Bump the requirement in the shutdown test to dnspython 2.0.0

The dnspython.Resolve.resolve() requires at least dnspython >= 2.0.0,
this wasn't enforced in the shutdown system test leading to infinite
loop waiting for the server start due to failing resolve() call.

diff --git a/bin/tests/system/shutdown/tests_shutdown.py b/bin/tests/system/shutdown/tests_shutdown.py
index aff69c5e3ad34e3eb1de4583304b4cc96bf21205..a38068fff012447a5b8a07edbdf6f8e348a438ef 100755 (executable)
--- a/bin/tests/system/shutdown/tests_shutdown.py
+++ b/bin/tests/system/shutdown/tests_shutdown.py
@@ -21,7 +21,7 @@ import time
 
 import pytest
 
-pytest.importorskip("dns")
+pytest.importorskip("dns", minversion="2.0.0")
 import dns.exception
 import dns.resolver