case: Defines OETestCase base class that provides custom
methods/attrs defined by the framework.
Every OETestCase instance contains a reference to the test
data (d), the test context (tc) and the logger.
Also implements _oe{SetUp,TearDown}Class for make special
handling of OEQA decorators and validations.
runner: Defines OETestRunner/OETestResult with support for RAW
and XML result logs.
exception: Custom exceptions related to the OEQA framework based
on class OEQAException.
