The testing_grounds.zip file you have requested: Maps Levels Missions / Multiplayer / 4 Player / S to T Titles / Testing Grounds - 528.69kb is not available. Perhaps try browsing all files for the game C&C3: Tiberium Wars and upload any files you want to share or are missing. This is the only information we could locate:
Testing Grounds is a 4 Player skirmish map set in Arena style,Yellowzone conditions. The playing area is devided by waterbodies and gentle elevation changes. Each player starts ofwith a small green field, and theres 2 blue fields, 4 greenfiel Testing Grounds is a four player skirmish map set in an arena style that is based in a yellow zone. It is another map by Chuck888. Chuck has another yellow zone map called Deadly Decent that you should check out as well.