test: Add docstrings to byte conversion tests

* Ensure common sizes are formatted into human-readable strings.
* Verify formatting for large sizes such as terabytes.

Author: lguerard

tests/test_misc.py

@@ -4,13 +4,15 @@
 
 
 def test_bytes_to_human_readable_simple():
+    """Ensure common sizes are formatted into human-readable strings."""
     assert bytes_to_human_readable(500) == "500.0 bytes"
     assert bytes_to_human_readable(2048) == "2.0 KB"
     assert bytes_to_human_readable(1024 * 1024) == "1.0 MB"
     assert bytes_to_human_readable(5 * 1024**3) == "5.0 GB"
 
 
 def test_bytes_to_human_readable_large():
+    """Verify formatting for large sizes such as terabytes."""
     # 1.5 TB in bytes should format as 1.5 TB
     size = int(1.5 * (1024**4))
     assert bytes_to_human_readable(size) == "1.5 TB"