### Question:
LoginRequest implements RestRequest { public char[] getUsername() { return username; } private  LoginRequest(LoginRequest.Builder builder); char[] getUsername(); char[] getPassword(); @Override String resourcePath(); @Override Map<String, String> parameters(); @Override String toString();  }### Answer:
@Test @DisplayName("Check username") void usernameTest() { assertThat(unit.getUsername()).isEqualTo(username); }