test: changed test approach for mockito v3 - use getLdapManager instead of field

Author: iaorekhov-1980

fe/fe-core/src/main/java/org/apache/doris/mysql/privilege/Auth.java

@@ -227,17 +227,17 @@ public Set<String> getRolesByUser(UserIdentity user, boolean showUserDefaultRole
     public void checkPlainPassword(String remoteUser, String remoteHost, String remotePasswd,
             List<UserIdentity> currentUser) throws AuthenticationException {
         // Check the LDAP password when the user exists in the LDAP service.
-        if (ldapManager.doesUserExist(remoteUser)) {
+        if (getLdapManager().doesUserExist(remoteUser)) {
             //not allow to login in case when empty password is specified but such mode is disabled by configuration
             if (Strings.isNullOrEmpty(remotePasswd) && !LdapConfig.ldap_allow_empty_pass) {
                 LOG.info("empty pass branch was activated: for user {}, pass {}, mode {}",
                         remoteUser, remotePasswd, LdapConfig.ldap_allow_empty_pass);
                 throw new AuthenticationException(ErrorCode.ERR_EMPTY_PASSWORD, remoteUser + "@" + remoteHost);
             }
 
-            if (!ldapManager.checkUserPasswd(remoteUser, remotePasswd, remoteHost, currentUser)) {
+            if (!getLdapManager().checkUserPasswd(remoteUser, remotePasswd, remoteHost, currentUser)) {
                 throw new AuthenticationException(ErrorCode.ERR_ACCESS_DENIED_ERROR,
-                        remoteUser + "@" + remoteHost + "[" + remotePasswd + "]",
+                        remoteUser + "@" + remoteHost + " via LDAP",
                         Strings.isNullOrEmpty(remotePasswd) ? "NO" : "YES");
             }
         } else {

fe/fe-core/src/test/java/org/apache/doris/mysql/privilege/PlainAuthWithEmptyPasswordAndLdapTest.java

@@ -72,7 +72,7 @@ public void testPlainPasswordAuthWithAllowEmptyPassTrue() throws Exception {
 
         //non empty pass - success
         Assertions.assertTrue(LdapConfig.ldap_allow_empty_pass);
-        Env.getCurrentEnv().getAuth().checkPlainPassword("user2.2", IP, "testPass", null);        
+        Env.getCurrentEnv().getAuth().checkPlainPassword("user2.2", IP, "testPass", null);
         //empty pass - success
         Assertions.assertTrue(LdapConfig.ldap_allow_empty_pass);
         Env.getCurrentEnv().getAuth().checkPlainPassword("user2.1", IP, "", null);