[test][bcp] Use simplejson

2 jobs for 73_standardize_simplejson in 26 minutes and 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #160304
docker-build
build_linux_36

00:26:07

64.0%
passed #160305
macosx
build_macosx_36

00:15:49

64.0%