Patch: I334da33385b5d6a387824056a5ba6aa982759314 released a new
version of oslo.context which includes the change to add global
request_id to context: I1521188ae627fa2e7d35aa2ffffbcb620c527765.
This patch fixes the failing test cases by adding global_request_id
to context in tests assertion.
Reference to failing logs: http://logs.openstack.org/08/462108/6/check/gate-masakari-python27-ubuntu-xenial/210acc8/
Change-Id: I6e8fe2b3963f4ffdc751c241f03bd47d230f2a98