Update the unit test's comments with pointers to the relevant issues

Author: Zsailer

tests/test_manager.py

@@ -621,7 +621,13 @@ def test_db_journal_mode(any_fid_manager_class, fid_db_path, jp_root_dir, db_jou
         assert actual_journal_mode[0].upper() == expected_journal_mode
 
 
-
+# This test demonstrates an issue raised in 
+# https://github.com/jupyter-server/jupyter_server_fileid/pull/76
+# which was later fixed in 
+# https://github.com/jupyter-server/jupyter_server_fileid/pull/77
+#
+# We use this unit test to catch this edge case and ensure
+# its covered going forward.
 def test_multiple_fileIdManager_connections_after_exception(fid_db_path):
     original_file_path = "/path/to/file"
     copy_location = "/path/to/copy"
@@ -641,9 +647,12 @@ def test_multiple_fileIdManager_connections_after_exception(fid_db_path):
     except sqlite3.IntegrityError:
         pass
 
-    # Now the database is locked and no other connections can be made.
-    # Start a second connection to the database and demonstrate
-    # that the database is now stuck in a locked state.
+    # Previously, these actions locked the database for future connections.
+    # This was fixed in: https://github.com/jupyter-server/jupyter_server_fileid/pull/77
+
+    # Try making a second connection that writes to the DB and
+    # make sure no exceptions were raised.
     manager_2 = ArbitraryFileIdManager(db_path=fid_db_path)
     manager_2.copy(original_file_path, another_copy_location)
 
+