### Question:
JwtUtil { public Date getExpirationDateFromToken(String token) { return getClaimsFromToken(token).getExpiration(); }  String generateToken(User user, boolean isRemember); Boolean validateToken(String token, User user); Boolean isTokenExpired(String token); String getUsernameFromToken(String token); Date getExpirationDateFromToken(String token); static final long EXPIRATION_LONG_TIME; static final long EXPIRATION_SHORT_TIME; }### Answer:
@Test public void getExpirationDateFromToken() { assertNotNull(jwtUtil.getExpirationDateFromToken(createToken())); }