test: configure pytest assertion rewriting in coveragetest.py
test: configure pytest assertion rewriting in coveragetest.py

hugovk/coveragepy,nedbat/coveragepy,nedbat/coveragepy,hugovk/coveragepy,nedbat/coveragepy,hugovk/coveragepy,hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy,nedbat/coveragepy