all functionality is working expect for illegal button

app/src/main/java/stock/view/Gui.java

@@ -34,8 +34,6 @@ public class Gui implements GameObserver {
     private EventRoller roller;
 
     gameOver end;
-
-    private EventRoller roller;
     boolean isMarket;
     JLabel toBeTraded;
     JLabel toBeCost;

app/src/test/java/stock/market/simulator/StockMarketTest.java

@@ -0,0 +1,26 @@
+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package stock.market.simulator;
+
+import stock.controller.*;
+import stock.model.*;
+import stock.view.*;
+
+
+
+import org.junit.Test;
+import stock.App;
+
+import static org.junit.Assert.*;
+
+public class StockMarketTest {
+    @Test public void intialPatternSize() {
+
+
+    }
+
+    @Test public void patternAfterGuesses() {
+
+    }
+}