### Question:
ClientConfig { @Override public String toString() { return ClientConfig.class.getSimpleName() + " {" + "username=" + Arrays.toString(username) + ", password=" + Arrays.toString(password) + ", sportsUrl=" + sportsUrl + ", loginUrl=" + loginUrl + ", httpConfig=" + httpConfig + "}"; } private  ClientConfig(ClientConfig.Builder builder); char[] getUsername(); char[] getPassword(); String getSportsUrl(); String getLoginUrl(); HttpConfig getHttpConfig(); @Override String toString();  }### Answer:
@Test @DisplayName("Object description") void toStringTest() { assertThat(unit.toString()).startsWith(unit.getClass().getSimpleName()); }