Fix Discovery provisioning tests

Author: archanaserver

pytest_fixtures/core/broker.py

@@ -5,6 +5,7 @@
 import pytest
 
 from robottelo.config import settings
+from robottelo.enums import NetworkType
 from robottelo.exceptions import ContentHostError
 from robottelo.hosts import Satellite, lru_sat_ready_rhel
 
@@ -112,4 +113,9 @@ def module_discovery_sat(
     discovery_auto.value = 'true'
     discovery_auto.update(['value'])
 
+    # Clear stale DHCP leases from provisioning setup workflow
+    if sat.network_type == NetworkType.IPV4:
+        assert sat.execute('cat /dev/null > /var/lib/dhcpd/dhcpd.leases').status == 0
+        assert sat.execute('systemctl restart dhcpd').status == 0
+
     return Box(sat=sat, iso=disc_img_name)