diff --git a/tests/integration/Espo/Record/DuplicateFindTest.php b/tests/integration/Espo/Record/DuplicateFindTest.php
new file mode 100644
index 0000000000..48905f8702
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+++ b/tests/integration/Espo/Record/DuplicateFindTest.php
@@ -0,0 +1,138 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace tests\integration\Espo\Record;
+
+use Espo\Core\{
+    Exceptions\ConflictSilent,
+    Record\CreateParams,
+};
+
+use Espo\Modules\Crm\Services\Account;
+use Espo\Modules\Crm\Services\Lead;
+
+
+class DuplicateFindTest extends \tests\integration\Core\BaseTestCase
+{
+    public function testAccount1()
+    {
+        /* @var $service Account */
+        $service = $this->getContainer()
+            ->get('recordServiceContainer')
+            ->get('Account');
+
+        $data1 = (object) [
+            'name' => 'test1',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data1, CreateParams::create());
+
+        $this->expectException(ConflictSilent::class);
+
+        $data2 = (object) [
+            'name' => 'test2',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data2, CreateParams::create());
+    }
+
+    public function testAccountSkip()
+    {
+        /* @var $service Account */
+        $service = $this->getContainer()
+            ->get('recordServiceContainer')
+            ->get('Account');
+
+        $data1 = (object) [
+            'name' => 'test1',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data1, CreateParams::create());
+
+        $data2 = (object) [
+            'name' => 'test2',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data2, CreateParams::create()->withSkipDuplicateCheck());
+
+        $this->assertTrue(true);
+    }
+
+    public function testLead1()
+    {
+        /* @var $service Lead */
+        $service = $this->getContainer()
+            ->get('recordServiceContainer')
+            ->get('Lead');
+
+        $data1 = (object) [
+            'lastName' => 'test1',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data1, CreateParams::create());
+
+        $this->expectException(ConflictSilent::class);
+
+        $data2 = (object) [
+            'lastName' => 'test2',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data2, CreateParams::create());
+    }
+
+    public function testLeadSkip()
+    {
+        /* @var $service Lead */
+        $service = $this->getContainer()
+            ->get('recordServiceContainer')
+            ->get('Lead');
+
+        $data1 = (object) [
+            'lastName' => 'test1',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data1, CreateParams::create());
+
+        $data2 = (object) [
+            'lastName' => 'test2',
+            'emailAddress' => 'test@test.com',
+        ];
+
+        $service->create($data2, CreateParams::create()->withSkipDuplicateCheck());
+
+        $this->assertTrue(true);
+    }
+}