Test network settings tab in GUI.

Added following test cases:
    - Verify network settings from server configuration.
    - Verify hostname configurable.

Resolves openbmc/openbmc-test-automation#1387

Change-Id: I4a94a340e0820cd10b7bc6b5e331a35999cbf09f
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/gui/obmc_gui/test/server_config/network_settings.robot b/gui/obmc_gui/test/server_config/network_settings.robot
new file mode 100644
index 0000000..d52305c
--- /dev/null
+++ b/gui/obmc_gui/test/server_config/network_settings.robot
@@ -0,0 +1,55 @@
+*** Settings ***
+
+Documentation   Test OpenBMC GUI "Network settings" sub-menu of
+...             "Server configuration".
+
+Resource        ../../lib/resource.robot
+
+Suite Setup     Launch Browser And Login OpenBMC GUI
+Suite Teardown  Logout And Close Browser
+Test Setup      Test Setup Execution
+
+*** Variables ***
+
+${xpath_select_server_configuration}  //*[@id="nav__top-level"]/li[4]/button
+${xpath_select_network_settings}  //a[@href='#/configuration/network']
+${xpath_hostname_input}  //*[@id="net-config__mac"]
+${xpath_network_save_settings}  //*[@id="configuration-network"]/form/section[3]/div[2]/button[1]
+${xpath_continue}  //*[@id=""]/main/section/div/div[4]/button[2]
+${xpath_network_config_ipv4_address}  //*[@id="net-config__ipv4-address"]
+
+*** Test Cases ***
+
+Verify Network Settings From Server Configuration
+    [Documentation]  Verify ability to select "Network Settings" sub-menu option
+    ...  of "Server Configuration".
+    [Tags]  Verify_Network_Settings_From_Server_Configuration
+
+    Wait Until Page Contains  BMC network settings
+    Page Should Contain  IPV4 settings  Common settings
+
+
+Verify Hostname Text Configuration
+    [Documentation]  Verify hostname text is configurable from "network settings"
+    ...  sub-menu.
+    [Tags]  Verify_Hostname_Configuration
+
+    Input Text  ${xpath_hostname_input}  witherspoon1
+    Click Element  ${xpath_network_save_settings}
+    Wait Until Page Does Not Contain Element  ${xpath_refresh_circle}
+    Click Element  ${xpath_continue}
+    Wait Until Page Does Not Contain Element  ${xpath_refresh_circle}
+    Page Should Contain  witherspoon1
+
+
+*** Keywords ***
+
+Test Setup Execution
+   [Documentation]  Do test case setup tasks.
+
+    Wait Until Page Does Not Contain Element  ${xpath_refresh_circle}
+    Click Element  ${xpath_select_server_configuration}
+    Wait Until Page Does Not Contain Element  ${xpath_refresh_circle}
+    Click Element  ${xpath_select_network_settings}
+    Wait Until Page Contains Element  ${xpath_network_config_ipv4_address}
+