Remove unnecessary setUp and tearDown

setUp and tearDown will be automatically called around each
testcase, so this is to remove setUp and tearDown that doing
nothing additional than super to keep code clean.

Change-Id: I8b6943602419d3f360991721d90b61888b55ea60
12 files changed
tree: 1ecd0f33e2723b5a17e2450339c3e0d441ba31ce
  1. common/
  2. functional/
  3. scenario/