fixed frametest
fixed frametest

One test could write a canary value out of bound
in exceptional conditions involving multiple flushes
triggered by -s3421 -t462948.

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso