diff --git a/tests/Core/Config/IniSetTest.php b/tests/Core/Config/IniSetTest.php
index d9977f6d3a..9a82908bee 100644
--- a/tests/Core/Config/IniSetTest.php
+++ b/tests/Core/Config/IniSetTest.php
@@ -300,10 +300,10 @@ public static function dataIniValueCannotBeUpdatedAtRuntime()
         return [
             // Using Core directives available PHP cross-version to prevent the tests failing
             // on an unavailable directive or due to an extension not being available.
-            'php.ini only option: disable_classes'     => [
-                'option'           => 'disable_classes',
-                'newValue'         => 'DateTime,DOMComment',
-                'alternativeValue' => 'DOMComment,DateTime',
+            'php.ini only option: expose_php'          => [
+                'option'           => 'expose_php',
+                'newValue'         => '0',
+                'alternativeValue' => '1',
             ],
             'INI_PERDIR option: short_open_tag (bool)' => [
                 'option'           => 'short_open_tag',
diff --git a/tests/Core/Ruleset/IniSetFailIniOnlyTest.xml b/tests/Core/Ruleset/IniSetFailIniOnlyTest.xml
index 73476fdfb3..3b30f200e9 100644
--- a/tests/Core/Ruleset/IniSetFailIniOnlyTest.xml
+++ b/tests/Core/Ruleset/IniSetFailIniOnlyTest.xml
@@ -2,7 +2,7 @@
 <ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="IniSetTest" xsi:noNamespaceSchemaLocation="phpcs.xsd">
     <description>Ruleset to test ini values which can not be changed at runtime will be reported as such when set from the ruleset.</description>
 
-    <ini name="disable_classes" value="DateTime,DOMComment"/>
+    <ini name="expose_php" value="0"/>
 
     <!-- Prevent a "no sniff were registered" error. -->
     <rule ref="Generic.PHP.BacktickOperator"/>
diff --git a/tests/Core/Ruleset/ProcessRulesetIniSetTest.php b/tests/Core/Ruleset/ProcessRulesetIniSetTest.php
index 5b1b4cb1fa..db073687b2 100644
--- a/tests/Core/Ruleset/ProcessRulesetIniSetTest.php
+++ b/tests/Core/Ruleset/ProcessRulesetIniSetTest.php
@@ -116,10 +116,10 @@ public static function dataIniValueCannotBeUpdatedAtRuntime()
         return [
             // Using Core directives available PHP cross-version to prevent the tests failing
             // on an unavailable directive or due to an extension not being available.
-            'php.ini only option: disable_classes'  => [
+            'php.ini only option: expose_php'       => [
                 'standard' => __DIR__.'/IniSetFailIniOnlyTest.xml',
-                'option'   => 'disable_classes',
-                'expected' => 'DateTime,DOMComment',
+                'option'   => 'expose_php',
+                'expected' => '0',
             ],
             'INI_PERDIR option: short_open_tag'     => [
                 'standard' => __DIR__.'/IniSetFailIniPerDirTest.xml',