Test the method gameOver

src/test/java/src/TicTacToeGameTest.java

@@ -1,7 +1,24 @@
 package src;
 
+import org.junit.jupiter.api.Test;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.Random;
+
+import static javax.swing.JOptionPane.YES_NO_CANCEL_OPTION;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 public class TicTacToeGameTest {
     @org.junit.jupiter.api.Test
-    void startGame() {
+    void test_startGame() {
+
     }
+
+    @org.junit.jupiter.api.Test
+    void gameOver() {
+    }
+
+
 }