Added unfinished Ghost wall obstruction test

src/test/java/pacmanTests/GhostTest.java

@@ -25,4 +25,9 @@ class GhostTest {
 		assertThat(position).isEqualTo(expectedPosition);		
 	}
 	
+	@Test
+	void Ghosts_wall_obstructsMovement() {
+		
+	}
+
 }