def pytest_sessionstart(self):
     """Called before session.main() is called."""
     self.coverage = CoverageTestWrapper(self.config.option)
     # XXX maybe better to start/suspend/resume coverage
     # for each single test item
     self.coverage.start()
 def begin(self):
     """Begin recording coverage information."""
     log.debug("Coverage begin")
     self.coverage = CoverageTestWrapper(self.opts)
     self.coverage.start()