Метод лежит внутри моего класса предметов.
public boolean spawnTest(World world, Random random, int x, int y, int z) {
Block test = CrewMod.shopBlock;
Block fence = Blocks.fence;
Block stSlab = Blocks.wooden_slab;
//Block mCwWall = new ItemStack(Blocks.cobblestone_wall, 1, 1)...