boolean result = chain.changePassword(null, "password");

        assertFalse(result);
        assertEquals(1, chain.changePasswordCalls.size());
        assertNull(chain.changePasswordCalls.get(0).getKey());
        assertEquals("password", chain.changePasswordCalls.get(0).getValue());
    }

    // Test changePassword with null password
    public void test_changePassword_nullPassword() {

                                    <label for="password" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.webauth_password"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="password"/>
                                        <la:password styleId="password" property="password" styleClass="form-control"/>

          "mobile" : {
            "type" : "keyword"
          },
          "name" : {
            "type" : "keyword"
          },
          "pager" : {
            "type" : "keyword"
          },
          "password" : {
            "type" : "keyword"
          },
          "physicalDeliveryOfficeName" : {
            "type" : "keyword"
          },
          "postOfficeBox" : {
            "type" : "keyword"
          },

                                                key="labels.webauth_password"/></th>
                                        <td><c:if test="${password!=''}">******</c:if> <la:hidden
                                                property="password"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message

errors.invalid_kuromoji_segmentation=Il numero di segmentazioni di {0} non corrisponde al numero di segmentazioni di {1}.
errors.invalid_str_is_included = {0} non è valido in {1}.
errors.blank_password = La password è obbligatoria.
errors.invalid_confirm_password = La conferma della password non corrisponde.
errors.cannot_delete_doc_because_of_running = Il crawler è in esecuzione. Impossibile eliminare il documento.

            final String username = userCredential.getUser();
            final String password = userCredential.getPassword();
            if (!fessConfig.isAdminUser(username)) {
                final OptionalEntity<FessUser> ldapUser = ComponentUtil.getLdapManager().login(username, password);
                if (ldapUser.isPresent()) {
                    return ldapUser;
                }
            }

    val encodedUsername: String = httpUrl.encodedUsername()
    val username: String = httpUrl.username()
    val encodedPassword: String = httpUrl.encodedPassword()
    val password: String = httpUrl.password()
    val host: String = httpUrl.host()
    val port: Int = httpUrl.port()
    val pathSize: Int = httpUrl.pathSize()
    val encodedPath: String = httpUrl.encodedPath()

            "type" : "long"
          },
          "hostname" : {
            "type" : "keyword"
          },
          "parameters" : {
            "type" : "keyword"
          },
          "password" : {
            "type" : "keyword"
          },
          "port" : {
            "type" : "integer"
          },
          "protocolScheme" : {
            "type" : "keyword"
          },

                                    <label for="password" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.user_password"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="password"/>
                                        <la:password styleId="password" property="password" styleClass="form-control"/>

import java.net.Authenticator
import java.net.PasswordAuthentication

class RecordingAuthenticator(
  private val authentication: PasswordAuthentication? =
    PasswordAuthentication(
      "username",
      "password".toCharArray(),
    ),
) : Authenticator() {
  val calls = mutableListOf<String>()

  override fun getPasswordAuthentication(): PasswordAuthentication? {
    calls.add(