refactoring: optimizations

src/test/java/pacmanTests/GameManagerTest.java

@@ -17,11 +17,10 @@ class GameManagerTest {
 		
 		// act
 
-		int initialTime = gameManager.time;
+		int expectedUpdatedTime = gameManager.time + 1;
 		gameManager.Update();
 		int updatedTime = gameManager.time;
 		
-		int expectedUpdatedTime = initialTime + 1;
 		
 		// assert
 		assertThat(expectedUpdatedTime).isEqualTo(updatedTime);