tighten test assertions to assure that the exception control flow in await is correct
tighten test assertions to assure that the exception control flow in await is correct

da-woods/cython,scoder/cython,cython/cython,scoder/cython,cython/cython,da-woods/cython,da-woods/cython,da-woods/cython,scoder/cython,cython/cython,cython/cython,scoder/cython