diff --git a/tests/Message/DirectPostAuthorizeRequestTest.php b/tests/Message/DirectPostAuthorizeRequestTest.php
index c09a36b..6e55c9c 100644
--- a/tests/Message/DirectPostAuthorizeRequestTest.php
+++ b/tests/Message/DirectPostAuthorizeRequestTest.php
@@ -17,10 +17,10 @@ public function setUp()
                 'amount'              => '12.00',
                 'returnUrl'           => 'https://www.abc.com/return',
                 'card'                => [
-                    'number'      => '4444333322221111',
-                    'expiryMonth' => '6',
-                    'expiryYear'  => '2030',
-                    'cvv'         => '123',
+                    'number'          => '4444333322221111',
+                    'expiryMonth'     => '6',
+                    'expiryYear'      => '2030',
+                    'cvv'             => '123',
                     'billingPostcode' => '1234',
                 ],
             ]
diff --git a/tests/Message/DirectPostPurchaseRequestTest.php b/tests/Message/DirectPostPurchaseRequestTest.php
index 17552be..2dea9a6 100644
--- a/tests/Message/DirectPostPurchaseRequestTest.php
+++ b/tests/Message/DirectPostPurchaseRequestTest.php
@@ -17,10 +17,10 @@ public function setUp()
                 'amount'              => '12.00',
                 'returnUrl'           => 'https://www.example.com/return',
                 'card'                => [
-                    'number'      => '4444333322221111',
-                    'expiryMonth' => '06',
-                    'expiryYear'  => '2039',
-                    'cvv'         => '123',
+                    'number'          => '4444333322221111',
+                    'expiryMonth'     => '06',
+                    'expiryYear'      => '2039',
+                    'cvv'             => '123',
                     'billingPostcode' => '1234',
                 ],
             ]
diff --git a/tests/Message/SecureXMLAuthorizeRequestTest.php b/tests/Message/SecureXMLAuthorizeRequestTest.php
index 1bac78b..96a6e1b 100644
--- a/tests/Message/SecureXMLAuthorizeRequestTest.php
+++ b/tests/Message/SecureXMLAuthorizeRequestTest.php
@@ -18,11 +18,11 @@ public function setUp()
                 'amount'              => '12.00',
                 'transactionId'       => '1234',
                 'card'                => [
-                    'number'         => '4444333322221111',
-                    'expiryMonth'    => '10',
-                    'expiryYear'     => '2030',
-                    'cvv'            => '123',
-                    'cardHolderName' => 'Sujip Thapa',
+                    'number'          => '4444333322221111',
+                    'expiryMonth'     => '10',
+                    'expiryYear'      => '2030',
+                    'cvv'             => '123',
+                    'cardHolderName'  => 'Sujip Thapa',
                     'billingPostcode' => '1234',
                 ],
             ]
diff --git a/tests/Message/SecureXMLPurchaseRequestTest.php b/tests/Message/SecureXMLPurchaseRequestTest.php
index 84f5aef..03ed765 100644
--- a/tests/Message/SecureXMLPurchaseRequestTest.php
+++ b/tests/Message/SecureXMLPurchaseRequestTest.php
@@ -18,11 +18,11 @@ public function setUp()
                 'amount'              => '12.00',
                 'transactionId'       => '1234',
                 'card'                => [
-                    'number'         => '4444333322221111',
-                    'expiryMonth'    => '10',
-                    'expiryYear'     => '2030',
-                    'cvv'            => '123',
-                    'cardHolderName' => 'Sujip Thapa',
+                    'number'          => '4444333322221111',
+                    'expiryMonth'     => '10',
+                    'expiryYear'      => '2030',
+                    'cvv'             => '123',
+                    'cardHolderName'  => 'Sujip Thapa',
                     'billingPostcode' => '1234',
                 ],
             ]
diff --git a/tests/Message/UnionPayPurchaseRequestTest.php b/tests/Message/UnionPayPurchaseRequestTest.php
index 91e0cd6..4550969 100644
--- a/tests/Message/UnionPayPurchaseRequestTest.php
+++ b/tests/Message/UnionPayPurchaseRequestTest.php
@@ -18,10 +18,10 @@ public function setUp()
                 'returnUrl'           => 'https://www.example.com/return',
                 'transactionId'       => 'GHJGG76756556',
                 'card'                => [
-                    'number'      => '4444333322221111',
-                    'expiryMonth' => '06',
-                    'expiryYear'  => '2039',
-                    'cvv'         => '123',
+                    'number'          => '4444333322221111',
+                    'expiryMonth'     => '06',
+                    'expiryYear'      => '2039',
+                    'cvv'             => '123',
                     'billingPostcode' => '1234',
                 ],
             ]