diff --git a/mailpoet/tests/integration/API/MP/SubscribersTest.php b/mailpoet/tests/integration/API/MP/SubscribersTest.php
index fc6f63e1d8..48fb1bba55 100644
--- a/mailpoet/tests/integration/API/MP/SubscribersTest.php
+++ b/mailpoet/tests/integration/API/MP/SubscribersTest.php
@@ -462,13 +462,14 @@ class SubscribersTest extends \MailPoetTest {
       'cf_' . $customField->getId() => 'test',
     ];
 
-    $_SERVER['REMOTE_ADDR'] = '127.0.0.1';
+    $expectedRemoteAddr = '127.0.0.1';
+    $_SERVER['REMOTE_ADDR'] = $expectedRemoteAddr;
     $result = $this->getApi()->addSubscriber($subscriber);
     expect($result['id'])->greaterThan(0);
     expect($result['email'])->equals($subscriber['email']);
     expect($result['cf_' . $customField->getId()])->equals('test');
     expect($result['source'])->equals('api');
-    expect($result['subscribed_ip'])->equals($_SERVER['REMOTE_ADDR']);
+    expect($result['subscribed_ip'])->equals($expectedRemoteAddr);
     expect(strlen($result['unsubscribe_token']))->equals(15);
   }
 
diff --git a/mailpoet/tests/integration/Helpscout/BeaconTest.php b/mailpoet/tests/integration/Helpscout/BeaconTest.php
index 2a68a2c75f..c1e4d5041a 100644
--- a/mailpoet/tests/integration/Helpscout/BeaconTest.php
+++ b/mailpoet/tests/integration/Helpscout/BeaconTest.php
@@ -138,7 +138,7 @@ class BeaconTest extends \MailPoetTest {
 
   public function testItReturnsWebserverInformation() {
     expect($this->beaconData['Web server'])->equals(
-      (!empty($_SERVER["SERVER_SOFTWARE"])) ? $_SERVER["SERVER_SOFTWARE"] : 'N/A'
+      (!empty($_SERVER["SERVER_SOFTWARE"])) ? sanitize_text_field(wp_unslash($_SERVER["SERVER_SOFTWARE"])) : 'N/A'
     );
   }