modify the test

src/main/java/model/FirefighterBoard.java

@@ -5,7 +5,7 @@ import util.TargetStrategy;
 import java.util.*;
 
 
-public class FirefighterBoard implements Board<List<ModelElement>> {
+public class FirefighterBoard implements BoardBehavior<List<ModelElement>> ,BoardProperties<List<ModelElement>>{
   private final int columnCount;
   private final int rowCount;
   private final int initialFireCount;

src/test/java/model/FirefighterBoardTest.java

@@ -10,17 +10,17 @@ import static org.assertj.core.api.Assertions.*;
 public class FirefighterBoardTest {
   @Test
   void testColumnCount(){
-    Board<List<ModelElement>> board = new FirefighterBoard(20, 10, 1, 3);
+    FirefighterBoard board = new FirefighterBoard(20, 10, 1, 3);
     assertThat(board.columnCount()).isEqualTo(20);
   }
   @Test
   void testRowCount(){
-    Board<List<ModelElement>> board = new FirefighterBoard(20, 10, 1, 3);
+    FirefighterBoard board = new FirefighterBoard(20, 10, 1, 3);
     assertThat(board.rowCount()).isEqualTo(10);
   }
   @Test
   void testStepNumber(){
-    Board<List<ModelElement>> board = new FirefighterBoard(20, 10, 1, 3);
+    FirefighterBoard board = new FirefighterBoard(20, 10, 1, 3);
     for(int index = 0; index < 10; index++){
       assertThat(board.stepNumber()).isEqualTo(index);
       board.updateToNextGeneration();
@@ -29,7 +29,7 @@ public class FirefighterBoardTest {
   }
   @Test
   void testGetState_afterSet(){
-    Board<List<ModelElement>> board = new FirefighterBoard(20, 10, 0, 0);
+    FirefighterBoard board = new FirefighterBoard(20, 10, 0, 0);
     Position position = new Position(1,2);
     assertThat(board.getState(position)).isEmpty();
     board.setState(List.of(ModelElement.FIRE), position);