diff --git a/src/backend/core/tests/documents/test_api_documents_content_retrieve.py b/src/backend/core/tests/documents/test_api_documents_content_retrieve.py
index 5ce605e78..a4e8ae4b9 100644
--- a/src/backend/core/tests/documents/test_api_documents_content_retrieve.py
+++ b/src/backend/core/tests/documents/test_api_documents_content_retrieve.py
@@ -233,7 +233,7 @@ def test_api_documents_content_retrieve_deleted_document_for_owner():
 
 
 def test_api_documents_content_retrieve_reusing_etag():
-    """Fetching content reusing a valid ETag header should return a 304"""
+    """Fetching content reusing a valid ETag header should return a 304."""
 
     user = factories.UserFactory()
     document = factories.DocumentFactory(link_reach="restricted")
@@ -267,7 +267,7 @@ def test_api_documents_content_retrieve_reusing_etag():
 
 
 def test_api_documents_content_retrieve_reusing_invalid_etag():
-    """Fetching content using an invalid ETag header should return a 200"""
+    """Fetching content using an invalid ETag header should return a 200."""
 
     user = factories.UserFactory()
     document = factories.DocumentFactory(link_reach="restricted")
@@ -298,6 +298,13 @@ def test_api_documents_content_retrieve_reusing_invalid_etag():
     )
 
     assert response.status_code == status.HTTP_200_OK
+    assert b"".join(
+        response.streaming_content
+    ) == factories.YDOC_HELLO_WORLD_BASE64.encode("utf-8")
+    assert response["Content-Length"] is not None
+    assert response["ETag"] is not None
+    assert response["Last-Modified"] is not None
+    assert response["Cache-Control"] == "private, no-cache"
 
 
 def test_api_documents_content_retrieve_using_etag_without_cache():
@@ -327,8 +334,8 @@ def test_api_documents_content_retrieve_using_etag_without_cache():
     assert response.status_code == status.HTTP_304_NOT_MODIFIED
 
 
-def test_api_documents_content_retrive_reusing_last_modified_since():
-    """Fetching a content using a If-Modified-Since valid should return a 304"""
+def test_api_documents_content_retrieve_reusing_last_modified_since():
+    """Fetching a content using a If-Modified-Since valid should return a 304."""
 
     user = factories.UserFactory()
     document = factories.DocumentFactory(link_reach="restricted")
@@ -363,10 +370,10 @@ def test_api_documents_content_retrive_reusing_last_modified_since():
     assert response.status_code == status.HTTP_304_NOT_MODIFIED
 
 
-def test_api_documents_content_retrive_using_last_modified_since_without_cache():
+def test_api_documents_content_retrieve_using_last_modified_since_without_cache():
     """
     Fetching a content using a If-Modified-Since valid should return a 304
-    event if content metadata are not present in cache
+    even if content metadata are not present in cache.
     """
 
     user = factories.UserFactory()
@@ -388,8 +395,8 @@ def test_api_documents_content_retrive_using_last_modified_since_without_cache()
     assert response.status_code == status.HTTP_304_NOT_MODIFIED
 
 
-def test_api_documents_content_retrive_reusing_last_modified_since_invalid():
-    """Fetching a content using a If-Modified-Since invalid should return a 200"""
+def test_api_documents_content_retrieve_reusing_last_modified_since_invalid():
+    """Fetching a content using a If-Modified-Since invalid should return a 200."""
 
     user = factories.UserFactory()
     document = factories.DocumentFactory(link_reach="restricted")
@@ -424,3 +431,10 @@ def test_api_documents_content_retrive_reusing_last_modified_since_invalid():
     )
 
     assert response.status_code == status.HTTP_200_OK
+    assert b"".join(
+        response.streaming_content
+    ) == factories.YDOC_HELLO_WORLD_BASE64.encode("utf-8")
+    assert response["Content-Length"] is not None
+    assert response["ETag"] is not None
+    assert response["Last-Modified"] is not None
+    assert response["Cache-Control"] == "private, no-cache"