diff --git a/tests/Endpoints/CustomHostnamesTest.php b/tests/Endpoints/CustomHostnamesTest.php
index 276776c..f3fae3d 100644
--- a/tests/Endpoints/CustomHostnamesTest.php
+++ b/tests/Endpoints/CustomHostnamesTest.php
@@ -17,61 +17,7 @@ class CustomHostnamesTest extends TestCase
         $mock = $this->getMockBuilder(\Cloudflare\API\Adapter\Adapter::class)->getMock();
         $mock->method('post')->willReturn($response);
 
-        $customKey = <<<KEY
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDZfoCUkzkZLCzo
-OFTtlXU9OYqNFx06J/GOKCwDCyfkY5RY1x6BVrVpTqf/JaU42DZmCjIiEugBg4bu
-eu9/w21prIWgRKEe8mjrw83+3QSIyQrs+78rqwDptUfL+IyhYln6SBjqPQ569Y0w
-x6A896PDMYPHgnWtclGwsxDNKJ2eWsH+C4UkLUeVM4BILEJ00YUjayowL/0sflTJ
-yY58c9fVV27aGBJ4znreYkBojPQ0fzVZ3HJfYD+DgYUUkuzN/WohOLTNTxvzt/i2
-GNxP8tZzi0E/t4KtGTsIVmROKaCXnmozQyv0VES5TNZL1nxLvVuPca9DKXwVst2o
-v5czEM8fAgMBAAECggEBANgG/aIVpWYqaaRyp3CgviWE7Oh9J+um1xgzMJwJTaNd
-gXDIoyUmweQKW3Vjp/uRTl8GC4uqqcUvJivj8dU+gIOw970bzcmWT7616vsV/rX6
-sp524wh1vt9jzx97DfwSW3rsd8rZwHNDSO1FqxRDiOaNXO4i183iud8/zRVqHTy1
-5girngsGl7ebTt3LDHDQQ86kND2nVr8xZuFaqs8Td41AsF6DGbB709wMUqoM/obO
-iUtXCZ5Rrm2a78OUi0cqWsuxdhJjtOW0PBvrPTlSq+1EuQWAWV8HN1JI58YnLcLy
-SKZpsu5wxWdKMgX0NCkfLjDZCAPlBaZLPPp986GHavECgYEA8hM6tIfGBnXuxBvI
-y2lJG3sHGs83pnCqYg9dDrr+m3JOPQu6l9MEPEtsrOiI0Ktu/L+kV5uyBDRvB6ff
-BD6BJ2CiG86UvMpKojBeAlZBLXr1SnWzIPC+3fBzkVSo1MiRs3nTNRfeblkRxC3e
-LWtl96obA1GOgpifrh6ZB2RfvrcCgYEA5gFL4+oDUDcRtc1Pw+AFwPTey+3rkVU+
-FHvRGeU+m6dtxXF+BYFpDs/ONfmHzsdBSwkYxta/x8rKP5uyjl9p0QSdhysrJibO
-sWsoux35QxEZiyplCV2+zMK/79EhS2CuiudAidF6NxK+/g9EwXRlGDDlnFDB2epe
-kyL97K4zCtkCgYEA68Bgbsq/xzD5XFG2xqr9wN6a97gQ+W5F8QQHW74vEZJLsdYH
-Xa7rNBE8gFRiUd5zU4EL+yotPz0VWH5bilWZEJFirvQMFKRp9PRnyZzZEwLpeh+Q
-WSc8qwZudn3dgoTmqMSfNdjODed+jvEgrFkoz/8BGcVGpdcfw8IWxIUzXZcCgYAY
-/OsRx8q0XEdASR3xWdVGMVRDM4X0NB6aexkshwtWPcpfOQVH89dGFK2Cj6mBfYRK
-cqKOd6Y+Pnnajz/G1/bXDnlOxhHaAz1RaSLzsT3zW1g7FlADxHuGI2JW25GSbt6H
-mLgaQPfWI+M8FsyRd+PDzQwk/2EQG7ZKpfKQVByXgQKBgQDkKciB6Wb2hLNTKzK8
-Kr42U70H++QT8AqZX2F79PjgYcRFZqGXLuq/hEuiOhXfl8DFur3fC5JN8AeLC5/j
-bsrBsljYfVvtLQzilugs1oEe94LTrYjR2oQt0W24bqpGQHuv1ILuUBuodERkxSFL
-/cMkj3wSfC341hFaJEuG1+PcxA==
------END PRIVATE KEY-----
-KEY;
-
-        $customCertificate = <<<CERTIFICATE
------BEGIN CERTIFICATE-----
-MIIDmTCCAoGgAwIBAgIULyaeNqp0tOut/wvuxNyKmUxOGYEwDQYJKoZIhvcNAQEL
-BQAwXDELMAkGA1UEBhMCWFgxFTATBgNVBAcMDERlZmF1bHQgQ2l0eTEcMBoGA1UE
-CgwTRGVmYXVsdCBDb21wYW55IEx0ZDEYMBYGA1UEAwwPYXBwLmV4YW1wbGUuY29t
-MB4XDTIxMDYxNDIzMzU0MVoXDTIyMDYxNDIzMzU0MVowXDELMAkGA1UEBhMCWFgx
-FTATBgNVBAcMDERlZmF1bHQgQ2l0eTEcMBoGA1UECgwTRGVmYXVsdCBDb21wYW55
-IEx0ZDEYMBYGA1UEAwwPYXBwLmV4YW1wbGUuY29tMIIBIjANBgkqhkiG9w0BAQEF
-AAOCAQ8AMIIBCgKCAQEA2X6AlJM5GSws6DhU7ZV1PTmKjRcdOifxjigsAwsn5GOU
-WNcegVa1aU6n/yWlONg2ZgoyIhLoAYOG7nrvf8NtaayFoEShHvJo68PN/t0EiMkK
-7Pu/K6sA6bVHy/iMoWJZ+kgY6j0OevWNMMegPPejwzGDx4J1rXJRsLMQzSidnlrB
-/guFJC1HlTOASCxCdNGFI2sqMC/9LH5UycmOfHPX1Vdu2hgSeM563mJAaIz0NH81
-WdxyX2A/g4GFFJLszf1qITi0zU8b87f4thjcT/LWc4tBP7eCrRk7CFZkTimgl55q
-M0Mr9FREuUzWS9Z8S71bj3GvQyl8FbLdqL+XMxDPHwIDAQABo1MwUTAdBgNVHQ4E
-FgQUbAfyBm0wpM7FqUb1yqeaF4voY/gwHwYDVR0jBBgwFoAUbAfyBm0wpM7FqUb1
-yqeaF4voY/gwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAO2Dd
-k/seFjp83caYE/NVdDy5B7l5JeVtruaUdlGbb0xtVhiIdoY43ukhHFw8zuWMW9RX
-SUbrzwacfKLDBikcefk9go6cMimqYIRF8Hntph1gjjqB0papUm2WVYbsBRv2okys
-ej0dGSeUEsWjKRTSMkJsbbiEv6oveeSki069zl+tln0UhbHedkIY3rJsFIyoddSu
-g96r5HPHksnObm1JCym0xd09+msliDkBmq87mxok9m5aEqWX4XvdGfYERV/eD5vC
-KcW4DoM1KZd8E6tlniglc1jC0pzKfho7Uoe6UtObgHZGNwRYwYy+BHvHYY46ctSI
-NdZ7G/lUyrBFhsRrhw==
------END CERTIFICATE-----
-CERTIFICATE;
+        $customSsl = $this->getCustomSsl();
 
         $mock->expects($this->once())
             ->method('post')
@@ -89,8 +35,8 @@ CERTIFICATE;
                             'min_tls_version' => '1.2',
                         ],
                         'bundle_method' => 'optimal',
-                        'custom_key' => $customKey,
-                        'custom_certificate' => $customCertificate,
+                        'custom_key' => $customSsl['key'],
+                        'custom_certificate' => $customSsl['certificate'],
                         'wildcard' => true,
                     ],
                 ])
@@ -112,10 +58,7 @@ CERTIFICATE;
             'origin.example.com',
             true,
             'optimal',
-            [
-                'key' => $customKey,
-                'certificate' => $customCertificate,
-            ]
+            $customSsl
         );
         $this->assertEquals('0d89c70d-ad9f-4843-b99f-6cc0252067e9', $hostname->getBody()->result->id);
     }
@@ -231,4 +174,68 @@ CERTIFICATE;
         $this->assertEquals('0d89c70d-ad9f-4843-b99f-6cc0252067e9', $result->id);
         $this->assertEquals('0d89c70d-ad9f-4843-b99f-6cc0252067e9', $zones->getBody()->id);
     }
+
+    private function getCustomSsl(): array
+    {
+        $customKey = <<<KEY
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
+KEY;
+
+        $customCertificate = <<<CERTIFICATE
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+CERTIFICATE;
+
+        return [
+            'key' => $customKey,
+            'certificate' => $customCertificate,
+        ];
+    }
 }