tests/vdf_eval: 1M+ steps

tests/vdf_eval.rs

@@ -31,7 +31,7 @@ use prettytable::{format, row, Table};
 fn evaluate_vdf() {
     let steps = [
         1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000, 15000, 20000, 50000, 100000,
-        150000, 200000, 250000, 500000,
+        150000, 200000, 250000, 500000, 1000000, 1250000, 1500000, 1750000, 2000000,
     ];
 
     let challenge = blake3::hash(b"69420").to_hex();