make rng test data in another file

Author: kirjavascript

tests/README.md

@@ -3,13 +3,13 @@ testing / tooling framework for TetrisGYM
 to see commands;
 
 ```bash
-cargo run -- --help
+cargo run --release -- --help
 ```
 
 to verify various behaviour in the game, first build the ROM then run;
 
 ```bash
-cargo run -- --test
+cargo run --release -- --test
 ```
 
 uses [rusticnes-core](https://github.com/zeta0134/rusticnes-core)