Set up (failing) property test for working of new game state

Unfortunately, for this test to work, I still need to implement the
function that reads the game state and goes from one to the other.

1 files changed, 2 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index bc49a40..cf325ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,8 @@ rand = "0.4.2"
 time = "0.1.4"
 rayon = "1.0.1"
 
+[dev-dependencies]
+proptest = "0.7.2"
 
 [features]
 benchmarking = []