Ignore environment test contracts

.gitignore

@@ -7,3 +7,4 @@ contracts/Standard_Token/config/development/contracts.json
 contracts/Standard_Token/config/test/contracts.json
 contracts/Standard_Token_Factory/config/development/contracts.json
 contracts/Standard_Token_Factory/config/test/contracts.json
+Token_Contracts/environments/test/contracts/