INTTEST-91 - Updating list and dictionary syntax

INTTEST-91 - Updating list and dictionary syntax

Accessing list and dictionary items
using @{var}[item] and &{var}[item] is deprecated
from robotframework 3.2b1

https://github.com/robotframework/robotframework/blob/master/doc/releasenotes/rf-3.2b1.rst#accessing-list-and-dictionary-items-using-varitem-and-varitem-is-deprecated

Signed-off-by: Srinivas Rachakonda <srinivas.rachakonda@gmail.com>
Change-Id: Ic2e9bc0b7edc150c003171022da987b61bd9999f