Thanks for your response, Parit. I had gone over the article you
referenced prior to you mentioning it, and was able to build a quick
experiment that tested whether the appropriate states were seeing the
test. I think one extremely important piece of information I did not
find in the article was that in order to see what a visitor from a
certain IP is seeing with the additional parameter, that additional
parameter (mboxOverride.browserIp=60.234.0.39), it needs to be appended
to the end of the UR...