diff --git a/tests/MockClientClasses.php b/tests/MockClientClasses.php
index 317343f9..109fe3fe 100644
--- a/tests/MockClientClasses.php
+++ b/tests/MockClientClasses.php
@@ -30,10 +30,7 @@ private function mock_http_client($response): HttpClient
 
     private function mock_http_request($expectedResponse, $expectedEndpoint, $expectedParams, $expectedMethod = 'post')
     {
-        $set_method_name = 'setMethods';
-        if (strpos(phpversion(), '8.1') !== false || strpos(phpversion(), '8.2') !== false || strpos(phpversion(), '8.3') !== false) {
-            $set_method_name = 'onlyMethods';
-        }
+        $set_method_name = ($this->setMethodsFunction() === true) ? 'onlyMethods' : 'setMethods';
 
         $mockResponse = $this->getMockBuilder(ResponseInterface::class)
             ->getMock();
@@ -54,13 +51,7 @@ private function mock_http_request($expectedResponse, $expectedEndpoint, $expect
 
     private function mock_client($expectedResponse, $expectedMethod, $token = false, $additionalMethod = null)
     {
-        $set_method_name = 'setMethods';
-
-        foreach (['8.1', '8.2', '8.3'] as $php_version) {
-            if (strpos(phpversion(), $php_version) !== false) {
-                $set_method_name = 'onlyMethods';
-            }
-        }
+        $set_method_name = ($this->setMethodsFunction() === true) ? 'onlyMethods' : 'setMethods';
 
         $methods = [$expectedMethod, 'setApiCredentials'];
         $methods[] = ($token) ? 'getAccessToken' : '';
@@ -123,4 +114,17 @@ private function getApiCredentials(): array
             'validate_ssl'   => true,
         ];
     }
+
+    protected function setMethodsFunction(): bool
+    {
+        $useOnlyMethods = false;
+
+        foreach (['8.1', '8.2', '8.3'] as $php_version) {
+            if (strpos(phpversion(), $php_version) !== false) {
+                $useOnlyMethods = true;
+            }
+        }
+
+        return $useOnlyMethods;
+    }
 }