Enforced robotframework standards.

- The standards are enforced using the rflint static anylysis tool.
- More standards will be added in future commits but this is a base
  starting point.

Change-Id: I7dd8a2b0b42a51327b748cb730609d7ee2538de3
Signed-off-by: Joy Onyerikwu <onyekachukwu.joy.onyerikwu@ibm.com>
diff --git a/network/test_network.robot b/network/test_network.robot
index 7cbaadf..012598a 100644
--- a/network/test_network.robot
+++ b/network/test_network.robot
@@ -378,8 +378,8 @@
     Verify IP Address Via REST And Delete  ${valid_ip}
 
 Verify Default Gateway
-    [Documentation]  Verify default gateway.
-    [Tags]  Verify that the default gateway has a valid route.
+    [Documentation]  Verify that the default gateway has a valid route.
+    [Tags]  Verify_Default_Gateway.
 
     ${default_gw}=  Read Attribute  ${NETWORK_MANAGER}/config
     ...  DefaultGateway