Add new unit-test for snap and route modules

[vivekpandeyibm]

1: Add new test file for snap module unit test
2: Add new test file for route module unit test

Output:

tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_with_destination 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_with_net 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_calculate_network_address_with_prefix 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_calculate_network_address_with_netmask 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_flush 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_check_destination_in_routing_table_found 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_valid_cidr 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_no_slash 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_check_destination_in_routing_table_not_found 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_invalid_cidr 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_failure 
[gw1] [ 75%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_with_net 
[gw0] [ 76%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_flush 
[gw9] [ 76%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_build_route_command_with_destination 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_single_entry 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_run_route_command_failure 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_success 
tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_run_route_command_success 
[gw3] [ 77%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_calculate_network_address_with_netmask 
[gw11] [ 78%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_calculate_network_address_with_prefix 
[gw6] [ 78%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_check_destination_in_routing_table_found 
[gw2] [ 79%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_failure 
[gw5] [ 80%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_invalid_cidr 
[gw8] [ 80%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_no_slash 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_command_failed 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_build_snap_command_hacmp 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_failed 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_file_system_info 
[gw7] [ 81%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_check_destination_in_routing_table_not_found 
[gw4] [ 82%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_normalize_route_entry_valid_cidr 
[gw10] [ 82%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_single_entry 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_nothing_to_clean 
[gw1] [ 83%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_run_route_command_failure 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_all_info 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_collects_dump 
[gw0] [ 84%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_run_route_command_success 
[gw9] [ 84%] PASSED tests/unit/plugins/modules/test_route.py::TestRouteCommandFunctions::test_parse_routing_table_success 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_successfull 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_hacmp 
[gw11] [ 85%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_build_snap_command_hacmp 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_hardware_info 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_live_kernel 
tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_multiple_params  
[gw3] [ 86%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_command_failed 
[gw2] [ 86%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_file_system_info 
[gw6] [ 87%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_failed 
[gw5] [ 89%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_collects_dump 
[gw4] [ 89%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_run_snap_command_with_expect_successfull 
[gw10] [ 90%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_hacmp 
[gw7] [ 91%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_all_info 
[gw0] [ 91%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_live_kernel 
[gw1] [ 92%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_hardware_info 
tests/unit/plugins/modules/test_user.py::TestCreateUser::test_success_create_user_with_password 
[gw9] [ 93%] PASSED tests/unit/plugins/modules/test_snap.py::TestSnapCommand::test_snap_general_option_multiple_params  ```