diff --git a/src/Bundle/ChillDocStoreBundle/Tests/Security/Authorization/AccompanyingCourseStoredObjectVoterTest.php b/src/Bundle/ChillDocStoreBundle/Tests/Security/Authorization/AccompanyingCourseStoredObjectVoterTest.php
new file mode 100644
index 000000000..f7ad25987
--- /dev/null
+++ b/src/Bundle/ChillDocStoreBundle/Tests/Security/Authorization/AccompanyingCourseStoredObjectVoterTest.php
@@ -0,0 +1,106 @@
+<?php
+
+namespace Chill\DocStoreBundle\Tests\Security\Authorization;
+
+use Chill\DocStoreBundle\Entity\AccompanyingCourseDocument;
+use Chill\DocStoreBundle\Entity\StoredObject;
+use Chill\DocStoreBundle\Repository\AccompanyingCourseDocumentRepository;
+use Chill\DocStoreBundle\Security\Authorization\AccompanyingCourseDocumentVoter;
+use Chill\DocStoreBundle\Security\Authorization\StoredObjectRoleEnum;
+use Chill\DocStoreBundle\Service\WorkflowDocumentService;
+use Chill\MainBundle\Entity\User;
+use ChillDocStoreBundle\Security\Authorization\StoredObjectVoters\AccompanyingCourseStoredObjectVoter;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+
+class AccompanyingCourseStoredObjectVoterTest extends PHPUnit\Framework\TestCase
+{
+    private $repository;
+    private $security;
+    private $workflowDocumentService;
+    private $voter;
+
+    protected function setUp(): void
+    {
+        $this->repository = $this->createMock(AccompanyingCourseDocumentRepository::class);
+        $this->security = $this->createMock(Security::class);
+        $this->workflowDocumentService = $this->createMock(WorkflowDocumentService::class);
+
+        $this->voter = new AccompanyingCourseStoredObjectVoter(
+            $this->repository,
+            $this->security,
+            $this->workflowDocumentService
+        );
+    }
+
+    private function setupMockObjects(): array
+    {
+        $user = $this->createMock(User::class);
+        $token = $this->createMock(TokenInterface::class);
+        $subject = $this->createMock(StoredObject::class);
+        $entity = $this->createMock(AccompanyingCourseDocument::class);
+
+        return [$user, $token, $subject, $entity];
+    }
+
+    private function setupMocksForVoteOnAttribute(User $user, TokenInterface $token, bool $isGrantedForAccCourseDocument, AccompanyingCourseDocument $entity, bool $workflowAllowed): void
+    {
+        // Set up token to return user
+        $token->method('getUser')->willReturn($user);
+
+        // Mock the return of an AccompanyingCourseDocument by the repository
+        $this->repository->method('findAssociatedEntityToStoredObject')->willReturn($entity);
+
+        // Mock attributeToRole to return appropriate role
+        $this->voter->method('attributeToRole')->willReturn(AccompanyingCourseDocumentVoter::SEE_DETAILS);
+
+        // Mock scenario where user is allowed to see_details of the AccompanyingCourseDocument
+        $this->security->method('isGranted')->willReturnMap([
+            [[AccompanyingCourseDocumentVoter::SEE_DETAILS, $entity], $isGrantedForAccCourseDocument],
+        ]);
+
+        // Mock case where user is blocked or not by workflow
+        $this->workflowDocumentService->method('notBlockedByWorkflow')->willReturn($workflowAllowed);
+    }
+
+    public function testVoteOnAttributeAllowed(): void
+    {
+        list($user, $token, $subject, $entity) = $this->setupMockObjects();
+
+        // Setup mocks for voteOnAttribute method
+        $this->setupMocksForVoteOnAttribute($user, $token, true, $entity, true);
+
+        // The voteOnAttribute method should return True when workflow is allowed
+        $attributeSee = StoredObjectRoleEnum::SEE;
+        $attributeEdit = StoredObjectRoleEnum::EDIT;
+        $this->assertTrue($this->voter->voteOnAttribute($attributeSee, $subject, $token));
+    }
+
+    public function testVoteOnAttributeNotAllowed(): void
+    {
+        list($user, $token, $subject, $entity) = $this->setupMockObjects();
+
+        // Setup mocks for voteOnAttribute method where isGranted() returns false
+        $this->setupMocksForVoteOnAttribute($user, $token, false, $entity, true);
+
+        // The voteOnAttribute method should return True when workflow is allowed
+        $attributeSee = StoredObjectRoleEnum::SEE;
+        $attributeEdit = StoredObjectRoleEnum::EDIT;
+        $this->assertTrue($this->voter->voteOnAttribute($attributeSee, $subject, $token));
+    }
+
+    public function testVoteOnAttributeWhenBlockedByWorkflow(): void
+    {
+        list($user, $token, $subject, $entity) = $this->setupMockObjects();
+
+        // Setup mocks for voteOnAttribute method
+        $this->setupMocksForVoteOnAttribute($user, $token, $subject, $entity, false);
+
+        // Test voteOnAttribute method
+        $attribute = StoredObjectRoleEnum::SEE;
+        $result = $this->voter->voteOnAttribute($attribute, $subject, $token);
+
+        // Assert that access is denied when workflow is not allowed
+        $this->assertFalse($result);
+    }
+}