Clean code [skip ci]

Author: vuongxuongminh

tests/Message/IncomingRequestTest.php

@@ -60,5 +60,4 @@ public function testIncoming()
         $this->assertEquals(11, $data['vnp_SecureHash']);
         $this->assertEquals(12, $data['vnp_SecureHashType']);
     }
-    
 }

tests/Message/PurchaseRequestTest.php

@@ -73,5 +73,4 @@ public function testGetData()
         $this->assertTrue(isset($data['vnp_SecureHash']));
         $this->assertFalse(isset($data['vnp_HashSecret']));
     }
-
 }

tests/Message/PurchaseResponseTest.php

@@ -33,7 +33,6 @@ public function testPurchase()
         $response = new PurchaseResponse($this->getMockRequest(), [
             'vnp_TxnRef' => 123,
         ], 'john doe');
-
         $this->assertFalse($response->isPending());
         $this->assertFalse($response->isSuccessful());
         $this->assertTrue($response->isRedirect());
@@ -42,5 +41,4 @@ public function testPurchase()
         $this->assertEquals('123', $response->vnp_TxnRef);
         $this->assertEquals('123', $response->vnpTxnRef);
     }
-
 }

tests/Message/QueryTransactionRequestTest.php

@@ -67,5 +67,4 @@ public function testGetData()
         $this->assertTrue(isset($data['vnp_SecureHash']));
         $this->assertFalse(isset($data['vnp_HashSecret']));
     }
-
 }

tests/Message/RefundRequestTest.php

@@ -70,5 +70,4 @@ public function testGetData()
         $this->assertTrue(isset($data['vnp_SecureHash']));
         $this->assertFalse(isset($data['vnp_HashSecret']));
     }
-
 }

tests/Message/SignatureResponseTest.php

@@ -23,7 +23,6 @@ public function testConstruct()
             'example' => 'value',
             'foo' => 'bar',
         ]);
-
         $this->assertEquals(['example' => 'value', 'foo' => 'bar'], $response->getData());
     }
 
@@ -45,13 +44,11 @@ public function testIncoming()
             'vnp_SecureHash' => '32c2be7c9a4282ca13ce4a5e443902fe',
             'vnp_SecureHashType' => 'md5',
         ]);
-
         $this->assertFalse($response->isPending());
         $this->assertTrue($response->isSuccessful());
         $this->assertFalse($response->isRedirect());
         $this->assertEquals('23597', $response->getTransactionId());
         $this->assertEquals('12996460', $response->getTransactionReference());
         $this->assertEquals('00', $response->getCode());
     }
-
 }