added test for visualizer showing lives

src/test/java/pacmanTests/VisualizerPlainTextUltraTest.java

@@ -124,4 +124,24 @@ class VisualizerPlainTextUltraTest {
 		// assert
 		assertThat(result).startsWith("\nSCORE: 100");
 	}
+
+	@Test
+	void VisualizerPlainTextUtlra_lives_areVisualized() {
+		// arrange
+		
+		GameManager gameManager = new GameManager();
+		VisualizerPlainTextUltra vptu = new VisualizerPlainTextUltra(gameManager);
+		vptu.showScore = true;
+
+		gameManager.score = 100;
+		
+		String expected = "\nSCORE: " + gameManager.score + "     LIVES: " + gameManager.livesRemaining + "\n\n";
+		
+		// act
+		vptu.Update();
+		String result = (String)vptu.GetOutput();
+
+		// assert
+		assertThat(result).startsWith(expected);
+	}
 }