diff --git a/phpunit/integration/GovCMS/Security/Functional/HttpavServiceTest.php b/phpunit/integration/GovCMS/Security/Functional/HttpavServiceTest.php
new file mode 100644
index 0000000..8accf9f
--- /dev/null
+++ b/phpunit/integration/GovCMS/Security/Functional/HttpavServiceTest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace GovCMS\Tests\Integration\GovCMS\Security\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests the file uploaded by a Drupal form.
+ *
+ * @group file
+ */
+class HttpavServiceTest extends BrowserTestBase {
+
+  use GovcmsTestFileCreationTrait {
+    generateFile as govcmsGenerateTestFile;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $strictConfigSchema = FALSE;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = ['file', 'govcms_file_test', 'govcms_security', 'httpav'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $profile = 'govcms';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * Test file.
+   *
+   * @var string
+   */
+  protected $testFile;
+
+  /**
+   * {@inheritdoc}
+   */
+  #[\Override]
+  protected function setUp(): void {
+    parent::setUp();
+    $account = $this->drupalCreateUser([]);
+    $this->drupalLogin($account);
+
+    $this->testFile = $this->govcmsGenerateTestFile('image_1.png', $this->randomString());;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  #[\Override]
+  protected function tearDown(): void {
+    // Delete all test file.
+    unlink($this->testFile);
+
+    parent::tearDown();
+  }
+
+  /**
+   * Tests that file uploads fail if the HTTPAV service is unavailble.
+   */
+  public function testMissingHttpavService() {
+    $file = $this->testFile;
+
+    $edit = [
+      'files[file_test_upload][]' => $file,
+    ];
+    // Go to the file upload test form provided by govcms_file_test module.
+    $this->drupalGet('govcms-file-test/save_upload_from_form_test');
+    $this->submitForm($edit, 'Submit');
+
+    $this->assertSession()->pageTextContains('The anti-virus scanner could not check the file, the file cannot be uploaded.');
+    $this->assertSession()->pageTextContains('Epic upload FAIL!');
+    $this->assertFileDoesNotExist('temporary://' . basename((string) $file));
+  }
+
+}