Fix another test changed by better try-except measurement
Fix another test changed by better try-except measurement

--HG--
branch : ast-branch

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