Re-enable rndc shutdown test

The issue preventing a proper rndc shutdown was recently fixed and
the test now passes.

diff --git a/bin/tests/system/shutdown/tests_shutdown.py b/bin/tests/system/shutdown/tests_shutdown.py
index 64e665757fad4600b1dbfc8dc6933dadc0acca9a..179611465587123e3c3a4a7b83f4e7db1b727e8c 100755 (executable)
--- a/bin/tests/system/shutdown/tests_shutdown.py
+++ b/bin/tests/system/shutdown/tests_shutdown.py
@@ -168,7 +168,7 @@ def wait_for_proc_termination(proc, max_timeout=10):
 # In both methods named should exit gracefully.
 @pytest.mark.parametrize(
     "kill_method",
-    [pytest.param("rndc", marks=pytest.mark.xfail(reason="GL#4060")), "sigterm"],
+    ["rndc", "sigterm"],
 )
 def test_named_shutdown(ports, kill_method):
     # pylint: disable-msg=too-many-locals