Remove unnecessary setUp() and tearDown() methods

It's unnecessary to implement setUp() and tearDown() when they only call
the parent class method of the same name.

Change-Id: I8a2c7f50e17def87ada8d4f1c1b554eb916afbd1
Merge "Remove unnecessary setUp() and tearDown() methods"
Merge remote-tracking branch 'm_src_repo/master' into build-temp