specify range on test pil

test_data/pil/vm_to_block_dynamic_length.pil

@@ -44,7 +44,7 @@ namespace main(256);
     main.instr_mul $ [1, main.X, main.Y, main.Z] in [main_arith.operation_id, main_arith.x[0], main_arith.x[1], main_arith.y];
     col fixed _linker_first_step = [1] + [0]*;
     main._linker_first_step * (main._operation_id - 2) = 0;
-namespace main__rom(256);
+namespace main__rom(8);
     col fixed p_line = [0, 1, 2, 3, 4, 5, 6] + [6]*;
     col fixed p_X_const = [0, 0, 2, 0, 0, 0, 0] + [0]*;
     col fixed p_Y_const = [0, 0, 1, 9, 27, 0, 0] + [0]*;
@@ -60,7 +60,7 @@ namespace main__rom(256);
     col fixed p_reg_write_Z_A = [0, 0, 1, 1, 0, 0, 0] + [0]*;
 
 // CHANGED HERE: The degree of this namespace is None, meaning that this machine has a variable size.
-namespace main_arith;
+namespace main_arith(8..64);
     col witness operation_id;
     col witness x[2];
     col witness y;