T2-Snappi-Route-Conv: Update process crash Testcase (sonic-net#16754)

T2-Route Conv: Process Crash TC: Updated the test to accomodate new changes in the process crash scenario

Author: deepak-singhal0408

tests/snappi_tests/multidut/bgp/files/bgp_outbound_helper.py

@@ -20,7 +20,7 @@
      snappi_portchannel_ipv4_list, snappi_portchannel_ipv6_list, AS_PATHS, \
      BGP_TYPE, t1_side_interconnected_port, t2_side_interconnected_port, router_ids, \
      snappi_community_for_t1, snappi_community_for_t1_drop, snappi_community_for_t2, num_regionalhubs,  \
-     SNAPPI_TRIGGER, DUT_TRIGGER, fanout_presence, t2_uplink_fanout_info  # noqa: F401
+     SNAPPI_TRIGGER, DUT_TRIGGER, DUT_TRIGGER_SHORT, fanout_presence, t2_uplink_fanout_info  # noqa: F401
 from tests.common.snappi_tests.variables import v6_prefix_length
 
 logger = logging.getLogger(__name__)
@@ -1480,6 +1480,11 @@ def get_convergence_for_process_flap(duthosts,
                         check_container_status_down(duthost, container, timeout=60)
                         check_container_status_up(duthost, container, timeout=DUT_TRIGGER)
                         wait(DUT_TRIGGER, "For Flows to be evenly distributed")
+
+                        # execute TSB command, to bring the traffic back
+                        duthost.command("sudo TSB")
+                        wait(DUT_TRIGGER_SHORT, "For TSB")
+
                         port_stats = get_port_stats(api)
                         for port_stat in port_stats:
                             if 'Snappi_Tx_Port' not in port_stat.name:

tests/snappi_tests/variables.py

@@ -149,7 +149,8 @@ def get_host_addresses(subnet, count):
 T2_DUT_AS_NUM = 65100
 BGP_TYPE = 'ebgp'
 SNAPPI_TRIGGER = 60  # timeout value for snappi operation
-DUT_TRIGGER = 180    # timeout value for dut operation
+DUT_TRIGGER = 180    # longer timeout value for dut operation
+DUT_TRIGGER_SHORT = 60    # shorter timeout value for dut operation
 
 ipv4_subnet = '20.0.1.1/31'
 ipv6_subnet = '2000:1:1:1::1/126'