added test for visualizer showing score

src/test/java/pacmanTests/VisualizerPlainTextUltraTest.java

@@ -106,4 +106,22 @@ class VisualizerPlainTextUltraTest {
 		// assert
 		assertThat(result).endsWith(expectedEnd);
 	}
+	
+	@Test
+	void VisualizerPlainTextUtlra_score_isVisualized() {
+		// arrange
+		
+		GameManager gameManager = new GameManager();
+		VisualizerPlainTextUltra vptu = new VisualizerPlainTextUltra(gameManager);
+		vptu.showScore = true;
+
+		gameManager.score = 100;
+		
+		// act
+		vptu.Update();
+		String result = (String)vptu.GetOutput();
+
+		// assert
+		assertThat(result).startsWith("\nSCORE: 100");
+	}
 }