✅ Add full test coverage for M2M add, remove, clear events (Fixes #324)

Author: nedagilanian

tests/test_m2m_logging.py

@@ -0,0 +1,27 @@
+import pytest
+from tests.models import Article, Tag
+from easyaudit.models import CRUDEvent
+
+
+@pytest.mark.django_db
+def test_m2m_logging_full():
+    
+    article = Article.objects.create(title="Test Article")
+    tag1 = Tag.objects.create(name="django")
+    tag2 = Tag.objects.create(name="pytest")
+
+    
+    CRUDEvent.objects.all().delete()
+
+    # --- M2M_ADD ---
+    article.tags.add(tag1)
+    assert CRUDEvent.objects.filter(event_type=CRUDEvent.M2M_ADD).exists(), 
+
+    # --- M2M_REMOVE ---
+    article.tags.remove(tag1)
+    assert CRUDEvent.objects.filter(event_type=CRUDEvent.M2M_REMOVE).exists(), 
+
+    # --- M2M_CLEAR ---
+    article.tags.add(tag1, tag2)
+    article.tags.clear()
+    assert CRUDEvent.objects.filter(event_type=CRUDEvent.M2M_CLEAR).exists(),