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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) Ericsson AB, Huawei Technologies Co.,Ltd
+
+=========================================
+VIM network operations test specification
+=========================================
+
+Scope
+=====
+
+The VIM network test area evaluates the ability of the system under test to support
+VIM network operations. The test cases documented here are the network API test cases
+in the Openstack Interop guideline 2018.11 as implemented by the Refstack client.
+These test cases will evaluate basic Openstack (as a VIM) network operations including
+basic CRUD operations on L2 networks, L2 network ports and security groups.
+
+Definitions and Abbreviations
+=============================
+
+The following terms and abbreviations are used in conjunction with this test area
+
+- API - Application Programming Interface
+- CRUD - Create, Read, Update and Delete
+- NFVi - Network Functions Virtualization infrastructure
+- VIM - Virtual Infrastructure Manager
+
+System Under Test (SUT)
+=======================
+
+The system under test is assumed to be the NFVi and VIM in operation on a
+Pharos compliant infrastructure.
+
+Test Area Structure
+====================
+
+The test area is structured based on VIM network operations. Each test case is able
+to run independently, i.e. irrelevant of the state created by a previous test.
+Specifically, every test performs clean-up operations which return the system to
+the same state as before the test.
+
+For brevity, the test cases in this test area are summarized together based on
+the operations they are testing.
+
+All these test cases are included in the test case functest.tempest.osinterop of
+OVP test suite.
+
+Test Descriptions
+=================
+
+----------------------
+API Used and Reference
+----------------------
+
+Network: https://docs.openstack.org/api-ref/network/v2/index.html
+
+- create network
+- update network
+- list networks
+- show network details
+- delete network
+
+- create subnet
+- update subnet
+- list subnets
+- show subnet details
+- delete subnet
+
+- create port
+- bulk create ports
+- update port
+- list ports
+- show port details
+- delete port
+
+- create security group
+- update security group
+- list security groups
+- show security group
+- delete security group
+
+- create security group rule
+- list security group rules
+- show security group rule
+- delete security group rule
+
+-----------------------------------------------------------------------
+Test Case 1 - Basic CRUD operations on L2 networks and L2 network ports
+-----------------------------------------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_with_allocation_pools
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_with_dhcp_enabled
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_with_gw
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_with_gw_and_allocation_pools
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_with_host_routes_and_dns_nameservers
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_without_gateway
+tempest.api.network.test_networks.NetworksTest.test_create_delete_subnet_all_attributes
+tempest.api.network.test_networks.NetworksTest.test_create_update_delete_network_subnet
+tempest.api.network.test_networks.NetworksTest.test_delete_network_with_subnet
+tempest.api.network.test_networks.NetworksTest.test_external_network_visibility
+tempest.api.network.test_networks.NetworksTest.test_list_networks
+tempest.api.network.test_networks.NetworksTest.test_list_networks_fields
+tempest.api.network.test_networks.NetworksTest.test_list_subnets
+tempest.api.network.test_networks.NetworksTest.test_list_subnets_fields
+tempest.api.network.test_networks.NetworksTest.test_show_network
+tempest.api.network.test_networks.NetworksTest.test_show_network_fields
+tempest.api.network.test_networks.NetworksTest.test_show_subnet
+tempest.api.network.test_networks.NetworksTest.test_show_subnet_fields
+tempest.api.network.test_networks.NetworksTest.test_update_subnet_gw_dns_host_routes_dhcp
+tempest.api.network.test_ports.PortsTestJSON.test_create_bulk_port
+tempest.api.network.test_ports.PortsTestJSON.test_create_port_in_allowed_allocation_pools
+tempest.api.network.test_ports.PortsTestJSON.test_create_update_delete_port
+tempest.api.network.test_ports.PortsTestJSON.test_list_ports
+tempest.api.network.test_ports.PortsTestJSON.test_list_ports_fields
+tempest.api.network.test_ports.PortsTestJSON.test_port_list_filter_by_router_id
+tempest.api.network.test_ports.PortsTestJSON.test_show_port
+tempest.api.network.test_ports.PortsTestJSON.test_show_port_fields
+
+Test preconditions
+------------------
+
+Neutron is available.
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a network and create a subnet of this network by setting
+ allocation_pools, then check the details of the subnet and delete the subnet and network
+* **Test assertion 1:** The allocation_pools returned in the response equals to the one used
+ to create the subnet, and the network and subnet ids are not found after deletion
+* Test action 2: Create a network and create a subnet of this network by setting
+ enable_dhcp "True", then check the details of the subnet and delete the subnet and network
+* **Test assertion 2:** The enable_dhcp returned in the response is "True" and the network
+ and subnet ids are not found after deletion
+* Test action 3: Create a network and create a subnet of this network by setting
+ gateway_ip, then check the details of the subnet and delete the subnet and network
+* **Test assertion 3:** The gateway_ip returned in the response equals to the one used to
+ create the subnet, and the network and subnet ids are not found after deletion
+* Test action 4: Create a network and create a subnet of this network by setting allocation_pools
+ and gateway_ip, then check the details of the subnet and delete the subnet and network
+* **Test assertion 4:** The allocation_pools and gateway_ip returned in the response equal to
+ the ones used to create the subnet, and the network and subnet ids are not found after deletion
+* Test action 5: Create a network and create a subnet of this network by setting host_routes and
+ dns_nameservers, then check the details of the subnet and delete the subnet and network
+* **Test assertion 5:** The host_routes and dns_nameservers returned in the response equal to
+ the ones used to create the subnet, and the network and subnet ids are not found after deletion
+* Test action 6: Create a network and create a subnet of this network without setting
+ gateway_ip, then delete the subnet and network
+* **Test assertion 6:** The network and subnet ids are not found after deletion
+* Test action 7: Create a network and create a subnet of this network by setting enable_dhcp "true",
+ gateway_ip, ip_version, cidr, host_routes, allocation_pools and dns_nameservers,
+ then check the details of the subnet and delete the subnet and network
+* **Test assertion 7:** The values returned in the response equal to the ones used to
+ create the subnet, and the network and subnet ids are not found after deletion
+* Test action 8: Create a network and update this network's name, then create a subnet and update
+ this subnet's name, delete the subnet and network
+* **Test assertion 8:** The network's status and subnet's status are both 'ACTIVE' after creation,
+ their names equal to the new names used to update, and the network and subnet ids are not
+ found after deletion
+* Test action 9: Create a network and create a subnet of this network, then delete this network
+* **Test assertion 9:** The subnet has also been deleted after deleting the network
+* Test action 10: List all external networks, find the one with the same public_network_id
+ as defined in tempest.conf and list its subnets
+* **Test assertion 10:** The external network can be found, no internal network got by the
+ list operation, if this external network is shared, the subnets list is not empty,
+ otherwise, it should be empty
+* Test action 11: Create a network and list all networks
+* **Test assertion 11:** The network created is found in the list
+* Test action 12: Create a network and list networks with the id and name of the created network
+* **Test assertion 12:** The id and name of the list network equal to the created network's id and name
+* Test action 13: Create a network and create a subnet of this network, then list all subnets
+* **Test assertion 13:** The subnet created is found in the list
+* Test action 14: Create a network and create a subnet of this network, then list subnets with
+ the id and network_id of the created subnet
+* **Test assertion 14:** The id and network_id of the list subnet equal to the created subnet
+* Test action 15: Create a network and show network's details with the id of the created network
+* **Test assertion 15:** The id and name returned in the response equal to the created network's id and name
+* Test action 16: Create a network and just show network's id and name info with the id of the created network
+* **Test assertion 16:** The keys returned in the response are only id and name, and the values
+ of all the keys equal to network's id and name
+* Test action 17: Create a network and create a subnet of this network, then show subnet's details
+ with the id of the created subnet
+* **Test assertion 17:** The id and cidr info returned in the response equal to the created
+ subnet's id and cidr
+* Test action 18: Create a network and create a subnet of this network, then show subnet's id and
+ network_id info with the id of the created subnet
+* **Test assertion 18:** The keys returned in the response are just id and network_id, and the values
+ of all the keys equal to subnet's id and network_id
+* Test action 19: Create a network and create a subnet of this network, then update subnet's
+ name, host_routes, dns_nameservers and gateway_ip
+* **Test assertion 19:** The name, host_routes, dns_nameservers and gateway_ip returned in the
+ response equal to the values used to update the subnet
+* Test action 20: Create 2 networks and bulk create 2 ports with the ids of the created networks
+* **Test assertion 20:** The network_id of each port equals to the one used to create the port and
+ the admin_state_up of each port is True
+* Test action 21: Create a network and create a subnet of this network by setting allocation_pools,
+ then create a port with the created network's id
+* **Test assertion 21:** The ip_address of the created port is in the range of the allocation_pools
+* Test action 22: Create a network and create a port with its id, then update the port's name and
+ set its admin_state_up to be False
+* **Test assertion 22:** The name returned in the response equals to the name used to update
+ the port and the port's admin_state_up is False
+* Test action 23: Create a network and create a port with its id, then list all ports
+* **Test assertion 23:** The created port is found in the list
+* Test action 24: Create a network and create a port with its id, then list ports with the id
+ and mac_address of the created port
+* **Test assertion 24:** The created port is found in the list
+* Test action 25: Create a network and create a subnet, port with its id, create a router
+ and add this port as this router's interface, then list ports with this router id
+* **Test assertion 25:** The number of the ports list is 1, the port id and device_id
+ getting with the list operation are the same as the ones got when creating them
+* Test action 26: Create a network and create a port with its id, then show the port's details
+* **Test assertion 26:** The key 'id' is in the details
+* Test action 27: Create a network and create a port with its id, then show the port's id
+ and mac_address info with the port's id
+* **Test assertion 27:** The keys returned in the response are just id and mac_address,
+ and the values of all the keys equal to port's id and mac_address
+
+Pass / Fail criteria
+''''''''''''''''''''
+
+These test cases evaluate the ability of basic CRUD operations on L2 networks and L2 network ports.
+Specifically it verifies that:
+
+* Subnets can be created successfully by setting different parameters.
+* Subnets can be updated after being created.
+* Ports can be bulk created with network ids.
+* Port's security group(s) can be updated after being created.
+* Networks/subnets/ports can be listed with their ids and other parameters.
+* All details or special fields' info of networks/subnets/ports can be shown with their ids.
+* Networks/subnets/ports can be successfully deleted.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+------------------------------------------------------
+Test Case 2 - Basic CRUD operations on security groups
+------------------------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.api.network.test_security_groups.SecGroupTest.test_create_list_update_show_delete_security_group
+tempest.api.network.test_security_groups.SecGroupTest.test_create_security_group_rule_with_additional_args
+tempest.api.network.test_security_groups.SecGroupTest.test_create_security_group_rule_with_icmp_type_code
+tempest.api.network.test_security_groups.SecGroupTest.test_create_security_group_rule_with_protocol_integer_value
+tempest.api.network.test_security_groups.SecGroupTest.test_create_security_group_rule_with_remote_group_id
+tempest.api.network.test_security_groups.SecGroupTest.test_create_security_group_rule_with_remote_ip_prefix
+tempest.api.network.test_security_groups.SecGroupTest.test_create_show_delete_security_group_rule
+tempest.api.network.test_security_groups.SecGroupTest.test_list_security_groups
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_additional_default_security_group_fails
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_duplicate_security_group_rule_fails
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_bad_ethertype
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_bad_protocol
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_bad_remote_ip_prefix
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_invalid_ports
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_non_existent_remote_groupid
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_create_security_group_rule_with_non_existent_security_group
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_delete_non_existent_security_group
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_show_non_existent_security_group
+tempest.api.network.test_security_groups_negative.NegativeSecGroupTest.test_show_non_existent_security_group_rule
+
+Test preconditions
+------------------
+
+Neutron is available.
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, list all security groups, update the name and description
+ of SG1, show details of SG1 and delete SG1
+* **Test assertion 1:** SG1 is in the list, the name and description of SG1 equal to the ones used to
+ update it, the name and description of SG1 shown in the details equal to the ones used to update it,
+ and SG1's id is not found after deletion
+* Test action 2: Create a security group SG1, and create a rule with protocol 'tcp',
+ port_range_min and port_range_max
+* **Test assertion 2:** The values returned in the response equal to the ones used to create the rule
+* Test action 3: Create a security group SG1, and create a rule with protocol 'icmp' and icmp_type_codes
+* **Test assertion 3:** The values returned in the response equal to the ones used to create the rule
+* Test action 4: Create a security group SG1, and create a rule with protocol '17'
+* **Test assertion 4:** The values returned in the response equal to the ones used to create the rule
+* Test action 5: Create a security group SG1, and create a rule with protocol 'udp', port_range_min,
+ port_range_max and remote_group_id
+* **Test assertion 5:** The values returned in the response equal to the ones used to create the rule
+* Test action 6: Create a security group SG1, and create a rule with protocol 'tcp', port_range_min,
+ port_range_max and remote_ip_prefix
+* **Test assertion 6:** The values returned in the response equal to the ones used to create the rule
+* Test action 7: Create a security group SG1, create 3 rules with protocol 'tcp', 'udp' and 'icmp'
+ respectively, show details of each rule, list all rules and delete all rules
+* **Test assertion 7:** The values in the shown details equal to the ones used to create the rule,
+ all rules are found in the list, and all rules are not found after deletion
+* Test action 8: List all security groups
+* **Test assertion 8:** There is one default security group in the list
+* Test action 9: Create a security group whose name is 'default'
+* **Test assertion 9:** Failed to create this security group because of name conflict
+* Test action 10: Create a security group SG1, create a rule with protocol 'tcp', port_range_min
+ and port_range_max, and create another tcp rule with the same parameters
+* **Test assertion 10:** Failed to create this security group rule because of duplicate protocol
+* Test action 11: Create a security group SG1, and create a rule with ethertype 'bad_ethertype'
+* **Test assertion 11:** Failed to create this security group rule because of bad ethertype
+* Test action 12: Create a security group SG1, and create a rule with protocol 'bad_protocol_name'
+* **Test assertion 12:** Failed to create this security group rule because of bad protocol
+* Test action 13: Create a security group SG1, and create a rule with remote_ip_prefix '92.168.1./24',
+ '192.168.1.1/33', 'bad_prefix' and '256' respectively
+* **Test assertion 13:** Failed to create these security group rules because of bad remote_ip_prefix
+* Test action 14: Create a security group SG1, and create a tcp rule with (port_range_min, port_range_max)
+ (-16, 80), (80, 79), (80, 65536), (None, 6) and (-16, 65536) respectively
+* **Test assertion 14:** Failed to create these security group rules because of bad ports
+* Test action 15: Create a security group SG1, and create a tcp rule with remote_group_id 'bad_group_id'
+ and a random uuid respectively
+* **Test assertion 15:** Failed to create these security group rules because of nonexistent remote_group_id
+* Test action 16: Create a security group SG1, and create a rule with a random uuid as security_group_id
+* **Test assertion 16:** Failed to create these security group rules because of nonexistent security_group_id
+* Test action 17: Generate a random uuid and use this id to delete security group
+* **Test assertion 17:** Failed to delete security group because of nonexistent security_group_id
+* Test action 18: Generate a random uuid and use this id to show security group
+* **Test assertion 18:** Failed to show security group because of nonexistent id of security group
+* Test action 19: Generate a random uuid and use this id to show security group rule
+* **Test assertion 19:** Failed to show security group rule because of nonexistent id of security group rule
+
+Pass / Fail criteria
+''''''''''''''''''''
+
+These test cases evaluate the ability of Basic CRUD operations on security groups and security group rules.
+Specifically it verifies that:
+
+* Security groups can be created, list, updated, shown and deleted.
+* Security group rules can be created with different parameters, list, shown and deleted.
+* Cannot create an additional default security group.
+* Cannot create a duplicate security group rules.
+* Cannot create security group rules with bad ethertype, protocol, remote_ip_prefix, ports,
+ remote_group_id and security_group_id.
+* Cannot show or delete security groups or security group rules with nonexistent ids.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+---------------------------------------------
+Test Case 3 - CRUD operations on subnet pools
+---------------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.api.network.test_subnetpools_extensions.SubnetPoolsTestJSON.test_create_list_show_update_delete_subnetpools
+
+Test preconditions
+------------------
+
+Neutron is available.
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a subnetpool SNP1 with a specific name and get the name from the response body
+* **Test assertion 1:** The name got from the body is the same as the name used to create SNP1
+* Test action 2: Show SNP1 and get the name from the response body
+* **Test assertion 2:** The name got from the body is the same as the name used to create SNP1
+* Test action 3: Update the name of SNP1 and get the new name from the response body
+* **Test assertion 3:** The name got from the body is the same as the name used to update SNP1
+* Test action 4: Delete SNP1
+
+
+Pass / Fail criteria
+''''''''''''''''''''
+
+These test cases evaluate the ability of Basic CRUD operations on subnetpools.
+Specifically it verifies that:
+
+* Subnetpools can be created, updated, shown and deleted.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+----------------------------------------
+Test Case 4 - CRUD operations on routers
+----------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.api.network.test_routers.RoutersTest.test_add_multiple_router_interfaces
+tempest.api.network.test_routers.RoutersTest.test_add_remove_router_interface_with_port_id
+tempest.api.network.test_routers.RoutersTest.test_add_remove_router_interface_with_subnet_id
+tempest.api.network.test_routers.RoutersTest.test_create_show_list_update_delete_router
+tempest.api.network.test_routers.RoutersTest.test_update_delete_extra_route
+tempest.api.network.test_routers.RoutersTest.test_update_router_admin_state
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_add_router_interfaces_on_overlapping_subnets_returns_400
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_delete_non_existent_router_returns_404
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_router_add_gateway_invalid_network_returns_404
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_router_add_gateway_net_not_external_returns_400
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_router_remove_interface_in_use_returns_409
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_show_non_existent_router_returns_404
+tempest.api.network.test_routers_negative.RoutersNegativeTest.test_update_non_existent_router_returns_404
+
+Test preconditions
+------------------
+
+Neutron is available.
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create 2 networks NET1 and NET2, create SubNet1 of NET1 and SubNet2 with cidr of NET2,
+ create a router R1, add SubNet1 and SubNet2 to be R1's interfaces and get port details
+* **Test assertion 1:** The device_id and subnet_id of the port equals to the router id
+ and subnet id getting from the creating response body
+* Test action 2: Create a network NET1, create SubNet1 of NET1, create P1 of NET1, create a router R1,
+ add P1 to be its interface, store the response body B1, show P1 and store the response body B2 and
+ remove the interface with port id
+* **Test assertion 2:** B1 includes keys 'subnet_id' and 'port_id', 'device_id' of B2 equals to router id
+* Test action 3: Create a network NET1, create SubNet1 of NET1, create a router R1, add SubNet1 to be its
+ interface, store the response body B1, show port details with 'port_id' in B1
+* **Test assertion 3:** B1 includes keys 'subnet_id' and 'port_id', 'device_id' equals to router id
+* Test action 4: Create a router R1 with name, admin_state_up False and external_network_id Ext-Net,
+ store the request body B1, show R1 with 'id' in B1, list all routers, update R1's name
+* **Test assertion 4:** 'name', 'admin_state_up' and 'network_id' in B1 equal to the name, False and Ext-Net,
+ 'name' in show details equals to 'name' in B1, 'network_id' in show details equals to Ext-Net,
+ R1 is in the router list, the 'name' has been updated
+* Test action 5: Create a router R1 with admin_state_up=True, create 4 networks and 4 subnets with different
+ cidr, add these 4 subnets to R1 as its interfaces, update R1 by given routes and show R1, delete extra
+ route of R1 and then show R1
+* **Test assertion 5:** The number of routes queals to 4 and routes is empty after deletion
+* Test action 6: Create a router R1, update 'admin_state_up' of R1 to be True
+* **Test assertion 6:** 'admin_state_up' of R1 is False, 'admin_state_up' of R1 is True after updating
+* Test action 7: Create 2 networks NET1 and NET2, create SubNet1 of NET1 and SubNet2 of NET2,
+ create a router R1, add SubNet1 to be R1's interface and then trying to add SubNet2 to be R1's interface
+* **Test assertion 7:** It raises a BadRequest exception when trying to add SubNet2
+* Test action 8: Try to delete router with a random name
+* **Test assertion 8:** It raises a NotFound exception when trying delete operation
+* Test action 9: Create a router R1 and try to update it with wrong external_gateway_info
+* **Test assertion 9:** It raises a NotFound exception when trying to update R1
+* Test action 10: Create an internal network NET1, create SubNet1 with cidr of NET1,
+ create a router R1 and try to update it with NET1 as external_gateway_info
+* **Test assertion 10:** It raises a BadRequest exception when trying to update R1
+* Test action 11: Create a network NET1, create SubNet1 of NET1, create a router R1, add SubNet1 to
+ the interface of R1 and try to delete R1
+* **Test assertion 11:** It raises a Conflict exception when trying to delete R1
+* Test action 12: Try to show router with a random name
+* **Test assertion 12:** It raises a NotFound exception when trying to show router
+* Test action 13: Try to update router with a random name
+* **Test assertion 13:** It raises a NotFound exception when trying to update router
+
+
+Pass / Fail criteria
+''''''''''''''''''''
+
+These test cases evaluate the ability of Basic CRUD operations on routers.
+Specifically it verifies that:
+
+* Routers can be created, updated, shown and deleted.
+* Can not show, update and delete non existent router.
+* Can not remove interface in use.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+----------------------------------------------
+Test Case 5 - List versions within Network API
+----------------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.api.network.test_versions.NetworksApiDiscovery.test_api_version_resources
+
+Test preconditions
+------------------
+
+Neutron is available.
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: List network API versions
+* **Test assertion 1:** The network API version is 'v2.0'
+
+Pass / Fail criteria
+''''''''''''''''''''
+
+This test case evaluates the ability of listing network API versions.
+Specifically it verifies that:
+
+* The network API version is 'v2.0'.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A