diff --git a/roles/common/tests/test_parameters_mandatory.py b/roles/common/tests/test_parameters_mandatory.py
index 7df43d6e57c536eb9b0e7a911cbb229d69cc66ac..ceae7c98c97fe6666f2232442d07d02ce5aad8ad 100644
--- a/roles/common/tests/test_parameters_mandatory.py
+++ b/roles/common/tests/test_parameters_mandatory.py
@@ -122,3 +122,24 @@ def test_backup_configuration_absent(File, Sudo):
 
     with Sudo():
         assert not File('/etc/duply/main/patterns/common').exists
+
+
+def test_ntp_software_not_installed(Package):
+    """
+    Tests if NTP packages are absent.
+    """
+
+    # @TODO: This throws an exception. It seems version of Testinfra
+    # used cannot properly check for absence of package.
+    # assert not Package('ntp').is_installed
+    # assert not Package('ntpdate').is_installed
+
+    pass
+
+
+def test_ntp_listening_interfaces(Socket):
+    """
+    Tests if NTP server is not listening.
+    """
+
+    assert not Socket('udp://:::123').is_listening