Fix warning.

tests/src/pokerth_test/GameListTest.java

@@ -2,7 +2,6 @@ package pokerth_test;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import java.net.Socket;
 import java.util.ArrayList;