Added tests for TruchetTile

src/main/java/model/TruchetTile.java

 package model;
 
 public class TruchetTile implements Tile{
-  private final Side northWestColor;
-  private final Side southEastColor;
+  private final Side northWestSide;
+  private final Side southEastSide;
 
-  public TruchetTile(Side northWestColor, Side southEastColor) {
-    this.northWestColor = northWestColor;
-    this.southEastColor = southEastColor;
+  public TruchetTile(Side northWestSide, Side southEastSide) {
+    this.northWestSide = northWestSide;
+    this.southEastSide = southEastSide;
   }
 
   @Override
   public Side side(CardinalDirection direction) {
     return switch (direction){
-      case SOUTH, EAST -> southEastColor;
-      case NORTH, WEST -> northWestColor;
+      case SOUTH, EAST -> southEastSide;
+      case NORTH, WEST -> northWestSide;
     };
   }
 }

src/test/java/model/TruchetTileTest.java

+package model;
+
+import javafx.scene.paint.Color;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TruchetTileTest {
+  @Test
+  void testGetColor(){
+    Tile tile = new TruchetTile(new ColoredSide(Color.BLACK), new ColoredSide(Color.RED));
+    assertThat(tile.side(CardinalDirection.NORTH).color()).isEqualTo(Color.BLACK);
+    assertThat(tile.side(CardinalDirection.EAST).color()).isEqualTo(Color.RED);
+    assertThat(tile.side(CardinalDirection.SOUTH).color()).isEqualTo(Color.RED);
+    assertThat(tile.side(CardinalDirection.WEST).color()).isEqualTo(Color.BLACK);
+  }
+}