add retry_call to test_platform_info mock check (#3684)

Author: slutati1536

tests/platform_tests/test_platform_info.py

@@ -7,6 +7,7 @@
 import json
 import logging
 import time
+from retry.api import retry_call
 
 import pytest
 
@@ -271,9 +272,9 @@ def test_show_platform_fanstatus_mocked(duthosts, enum_rand_one_per_hwsku_hostna
     logging.info('Mock FAN status data...')
     mocker.mock_data()
     logging.info('Wait and check actual data with mocked FAN status data...')
-    result = check_cli_output_with_mocker(duthost, mocker, CMD_PLATFORM_FANSTATUS, THERMAL_CONTROL_TEST_WAIT_TIME, 2)
+    retry_call(check_cli_output_with_mocker, fargs=[duthost, mocker, CMD_PLATFORM_FANSTATUS, THERMAL_CONTROL_TEST_WAIT_TIME, 2], tries=3, delay=30)
+
 
-    pytest_assert(result, 'FAN mock data mismatch')
 
 
 @pytest.mark.disable_loganalyzer
@@ -290,9 +291,7 @@ def test_show_platform_temperature_mocked(duthosts, enum_rand_one_per_hwsku_host
     logging.info('Mock Thermal status data...')
     mocker.mock_data()
     logging.info('Wait and check actual data with mocked Thermal status data...')
-    result = check_cli_output_with_mocker(duthost, mocker, CMD_PLATFORM_TEMPER, THERMAL_CONTROL_TEST_WAIT_TIME)
-
-    pytest_assert(result, 'Thermal mock data mismatch')
+    retry_call(check_cli_output_with_mocker, fargs=[duthost, mocker, CMD_PLATFORM_TEMPER, THERMAL_CONTROL_TEST_WAIT_TIME], tries=3, delay=30)
 
 
 @pytest.mark.disable_loganalyzer

tests/platform_tests/thermal_control_test_helper.py

@@ -5,6 +5,7 @@
 import pytest
 
 from tests.common.utilities import wait_until
+from tests.common.helpers.assertions import pytest_assert
 from tests.common.config_reload import config_reload
 from tests.common.reboot import reboot
 
@@ -229,9 +230,10 @@ def check_cli_output_with_mocker(dut, mocker_object, command, max_wait_time, key
     """
     time.sleep(max_wait_time)
 
-    result = dut.show_and_parse(command)
-    assert len(result) > 0, "Run and parse output of command '{}' failed".format(command)
-    return mocker_object.check_result(result)
+    parsed_output = dut.show_and_parse(command)
+    assert len(parsed_output) > 0, "Run and parse output of command '{}' failed".format(command)
+    result = mocker_object.check_result(parsed_output)
+    pytest_assert(result, 'mock data and command \"{}\" output are mismatched'.format(command))
 
 
 def check_thermal_algorithm_status(dut, mocker_factory, expected_status):