[dhcp_relay] Fix faillure in test_dhcp_relay_default[single] (sonic-n…

…et#11935)

What is the motivation for this PR?
DHCP broadcast flooding was resolved by this PR: sonic-net/sonic-buildimage#18064. Hence interfaces under Vlan would not received broadcast flooding packets. Remove this verification.

How did you do it?
Removed verification of receiving of DHCP broadcast flooding packets in other_client_ports.

How did you verify/test it?
Run tests.

ansible/roles/test/files/ptftests/py3/dhcp_relay_test.py

@@ -795,7 +795,5 @@ def runTest(self):
 
         # Below verification will be done only when client port is set in ptf_runner
         if not self.dual_tor and 'other_client_port' in self.test_params:
-            self.verify_dhcp_relay_pkt_on_other_client_port_with_no_padding(
-                self.dest_mac_address, self.client_udp_src_port)
             self.verify_dhcp_relay_pkt_on_server_port_with_no_padding(
                 self.dest_mac_address, self.client_udp_src_port)

tests/dhcp_relay/test_dhcp_relay.py

@@ -336,8 +336,8 @@ def test_dhcp_relay_default(ptfhost, dut_dhcp_relay_data, validate_dut_routes_ex
                     expected_agg_counter_message = (
                         r".*dhcp_relay#dhcpmon\[[0-9]+\]: "
                         r"\[\s*Agg-%s\s*-[\sA-Za-z0-9]+\s*rx/tx\] "
-                        r"Discover: +1/ +%d, Offer: +1/ +1, Request: +3/ +%d, ACK: +1/ +1+"
-                    ) % (dhcp_relay['downlink_vlan_iface']['name'], dhcp_server_num, dhcp_server_num * 3)
+                        r"Discover: +1/ +%d, Offer: +1/ +1, Request: +2/ +%d, ACK: +1/ +1+"
+                    ) % (dhcp_relay['downlink_vlan_iface']['name'], dhcp_server_num, dhcp_server_num * 2)
                 loganalyzer = LogAnalyzer(ansible_host=duthost, marker_prefix="dhcpmon counter")
                 marker = loganalyzer.init()
                 loganalyzer.expect_regex = [expected_agg_counter_message]