diff --git a/tests/Unit/DataMapper/ResponseDataMapper/InterPosResponseDataMapperTest.php b/tests/Unit/DataMapper/ResponseDataMapper/InterPosResponseDataMapperTest.php
index 0dcdd71a..384025b3 100644
--- a/tests/Unit/DataMapper/ResponseDataMapper/InterPosResponseDataMapperTest.php
+++ b/tests/Unit/DataMapper/ResponseDataMapper/InterPosResponseDataMapperTest.php
@@ -7,6 +7,7 @@
 
 use Mews\Pos\DataMapper\RequestDataMapper\InterPosRequestDataMapper;
 use Mews\Pos\DataMapper\ResponseDataMapper\InterPosResponseDataMapper;
+use Mews\Pos\Exceptions\NotImplementedException;
 use Mews\Pos\Factory\CryptFactory;
 use Mews\Pos\Gateways\InterPos;
 use Mews\Pos\PosInterface;
@@ -171,6 +172,18 @@ public function testMapCancelResponse(array $responseData, array $expectedData):
         $this->assertSame($expectedData, $actualData);
     }
 
+    public function testMapHistoryResponse(): void
+    {
+        $this->expectException(NotImplementedException::class);
+        $this->responseDataMapper->mapHistoryResponse([]);
+    }
+
+    public function testMapOrderHistoryResponse(): void
+    {
+        $this->expectException(NotImplementedException::class);
+        $this->responseDataMapper->mapOrderHistoryResponse([]);
+    }
+
     public function threeDHashCheckDataProvider(): array
     {
         return [
diff --git a/tests/Unit/Gateways/InterPosTest.php b/tests/Unit/Gateways/InterPosTest.php
index 4cac171b..59226a72 100644
--- a/tests/Unit/Gateways/InterPosTest.php
+++ b/tests/Unit/Gateways/InterPosTest.php
@@ -11,6 +11,7 @@
 use Mews\Pos\Entity\Account\InterPosAccount;
 use Mews\Pos\Entity\Card\CreditCardInterface;
 use Mews\Pos\Event\RequestDataPreparedEvent;
+use Mews\Pos\Exceptions\HashMismatchException;
 use Mews\Pos\Exceptions\UnsupportedTransactionTypeException;
 use Mews\Pos\Factory\AccountFactory;
 use Mews\Pos\Factory\CreditCardFactory;
@@ -193,6 +194,16 @@ public function testMake3DPayment(
                 ->willReturn(true);
         }
 
+        $this->responseMapperMock->expects(self::once())
+            ->method('extractMdStatus')
+            ->with($request->request->all())
+            ->willReturn('3d-status');
+
+        $this->responseMapperMock->expects(self::once())
+            ->method('is3dAuthSuccess')
+            ->with('3d-status')
+            ->willReturn($is3DSuccess);
+
         $create3DPaymentRequestData = [
             'create3DPaymentRequestData',
         ];
@@ -240,6 +251,33 @@ public function testMake3DPayment(
         $this->assertSame($isSuccess, $this->pos->isSuccess());
     }
 
+    public function testMake3DPaymentHashMismatchException(): void
+    {
+        $request = Request::create(
+            '',
+            'POST',
+            ['data']
+        );
+        $this->cryptMock->expects(self::once())
+            ->method('check3DHash')
+            ->with($this->account, $request->request->all())
+            ->willReturn(false);
+
+        $this->responseMapperMock->expects(self::once())
+            ->method('extractMdStatus')
+            ->with($request->request->all())
+            ->willReturn('3d-status');
+
+        $this->responseMapperMock->expects(self::once())
+            ->method('is3dAuthSuccess')
+            ->with('3d-status')
+            ->willReturn(true);
+
+        $this->expectException(HashMismatchException::class);
+
+        $this->pos->make3DPayment($request, [], PosInterface::TX_TYPE_PAY_AUTH);
+    }
+
     /**
      * @return void
      */
@@ -490,6 +528,16 @@ public static function make3DPaymentDataProvider(): array
                 'is3DSuccess'     => false,
                 'isSuccess'       => false,
             ],
+            'success' => [
+                'order'           => ['order'],
+                'txType'          => PosInterface::TX_TYPE_PAY_AUTH,
+                'request'         => Request::create('', 'POST', ['gateway_response']),
+                'paymentResponse' => ['paymentResponse'],
+                'expected'        => ['status' => 'approved'],
+                'check_hash'      => true,
+                'is3DSuccess'     => true,
+                'isSuccess'       => true,
+            ],
         ];
     }
 
diff --git a/tests/Unit/Serializer/InterPosSerializerTest.php b/tests/Unit/Serializer/InterPosSerializerTest.php
index 81d2bc26..49180247 100644
--- a/tests/Unit/Serializer/InterPosSerializerTest.php
+++ b/tests/Unit/Serializer/InterPosSerializerTest.php
@@ -37,4 +37,63 @@ public function testEncode(): void
 
         $this->assertSame($data, $result);
     }
+
+    /**
+     * @dataProvider decodeDataProvider
+     */
+    public function testDecode(string $input, array $expected): void
+    {
+        $result = $this->serializer->decode($input);
+
+        $this->assertSame($expected, $result);
+    }
+
+    public static function decodeDataProvider(): array
+    {
+        return [
+            'success_payment' => [
+                'input'    => 'OrderId=33554969;;ProcReturnCode=00;;HostRefNum=hostid;;AuthCode=gizlendi;;TxnResult=Success;;ErrorMessage=;;CampanyId=;;CampanyInstallCount=0;;CampanyShiftDateCount=0;;CampanyTxnId=;;CampanyType=;;CampanyInstallment=0;;CampanyDate=0;;CampanyAmnt=0;;TRXDATE=09.08.2024 10:40:34;;TransId=gizlendi;;ErrorCode=;;EarnedBonus=0,00;;UsedBonus=0,00;;AvailableBonus=0,00;;BonusToBonus=0;;CampaignBonus=0,00;;FoldedBonus=0;;SurchargeAmount=0;;Amount=1,00;;CardHolderName=gizlendi;;QrReferenceNumber=;;QrCardToken=;;QrData=;;QrPayIsSucess=False;;QrIssuerPaymentMethod=;;QrFastMessageReferenceNo=;;QrFastParticipantReceiverCode=;;QrFastParticipantReceiverName=;;QrFastParticipantSenderCode=;;QrFastSenderIban=;;QrFastParticipantSenderName=;;QrFastPaymentResultDesc=',
+                'expected' => [
+                    'OrderId'                       => '33554969',
+                    'ProcReturnCode'                => '00',
+                    'HostRefNum'                    => 'hostid',
+                    'AuthCode'                      => 'gizlendi',
+                    'TxnResult'                     => 'Success',
+                    'ErrorMessage'                  => '',
+                    'CampanyId'                     => '',
+                    'CampanyInstallCount'           => '0',
+                    'CampanyShiftDateCount'         => '0',
+                    'CampanyTxnId'                  => '',
+                    'CampanyType'                   => '',
+                    'CampanyInstallment'            => '0',
+                    'CampanyDate'                   => '0',
+                    'CampanyAmnt'                   => '0',
+                    'TRXDATE'                       => '09.08.2024 10:40:34',
+                    'TransId'                       => 'gizlendi',
+                    'ErrorCode'                     => '',
+                    'EarnedBonus'                   => '0,00',
+                    'UsedBonus'                     => '0,00',
+                    'AvailableBonus'                => '0,00',
+                    'BonusToBonus'                  => '0',
+                    'CampaignBonus'                 => '0,00',
+                    'FoldedBonus'                   => '0',
+                    'SurchargeAmount'               => '0',
+                    'Amount'                        => '1,00',
+                    'CardHolderName'                => 'gizlendi',
+                    'QrReferenceNumber'             => '',
+                    'QrCardToken'                   => '',
+                    'QrData'                        => '',
+                    'QrPayIsSucess'                 => 'False',
+                    'QrIssuerPaymentMethod'         => '',
+                    'QrFastMessageReferenceNo'      => '',
+                    'QrFastParticipantReceiverCode' => '',
+                    'QrFastParticipantReceiverName' => '',
+                    'QrFastParticipantSenderCode'   => '',
+                    'QrFastSenderIban'              => '',
+                    'QrFastParticipantSenderName'   => '',
+                    'QrFastPaymentResultDesc'       => '',
+                ],
+            ],
+        ];
+    }
 }