Adding tests to related to session login/logout
Adding tests to related to session login/logout

Change-Id: I26120812fae58a80f43874f8cda0e20dd109d900
Signed-off-by: TanelDettenborn <b78e06a93b55ca1de0e9b602be506ea7b7368e0f@gmail.com>

Open-TEE/tests,Open-TEE/tests