refactoring: created for loop to eliminate redundancy

src/test/java/pacmanTests/GhostTest.java

@@ -93,12 +93,10 @@ class GhostTest {
 		gameManager.ghosts[0].position = new Vector2(25, 1);
 		// act
 
-		gameManager.ghosts[0].move();
-		gameManager.ghosts[0].move();
-		gameManager.ghosts[0].move();
-		gameManager.ghosts[0].move();
-		gameManager.ghosts[0].move();
-		gameManager.ghosts[0].move();
+		for(int i = 0; i < 6; i++) {
+			gameManager.ghosts[0].move();
+		}
+		
 		Vector2 ghostPos = gameManager.ghosts[0].position;
 
 		// assert