Renamed test_case list files

Renamed test_case list files to remove *.txt at the end

Change-Id: Ibe1deb89a05bc9753189768f7d785767f140819e
Signed-off-by: Nauman_Ahad <Nauman_Ahad@dell.com>
(cherry picked from commit 045237361269b9f77534a15d2a60fa67dc2bd24f)

diff --git a/test_list/compute.txt b/test_list/compute
similarity index 100%
rename from test_list/compute.txt
rename to test_list/compute

diff --git a/test_list/network.txt b/test_list/network
similarity index 100%
rename from test_list/network.txt
rename to test_list/network

diff --git a/test_list/storage.txt b/test_list/storage
similarity index 100%
rename from test_list/storage.txt
rename to test_list/storage