Good to hear from you again. You have been out of touch for a while. Is everything OK ? I will drop you PM as I would like to get your Email again. I Lost all my data when my last computer crashed.
I am ambivalent about RNG casinos. The results do seem to differ from live wheels, but it is difficult to quite say how. Streaks definitely do seem to be longer as are those zigzags.
Many people claim that they cheat I can't swear that I have been cheated, but I always made sure the casino was in an area where there was a good gambling board of control. Most reputable online casinos now feature live wheels, which should give you a good test.
For long term testing your online RNG (that isn't linked to a casino) should give you reasonable results. The problem with testing live spins , is that it takes forever.
If long term testing is what you need Reyth would be a good person to speak with. he seems to love testing systems.