Ignored Hidden Files from example folder during test

Updated the comment

Resolving the edge case of hidden file

Author: Rakshil Modi

tests/functional/docs/test_examples.py

@@ -84,7 +84,10 @@ def _get_all_doc_examples():
     for root, _, filenames in os.walk(EXAMPLES_DIR):
         for filename in filenames:
             full_path = os.path.join(root, filename)
-            if not filename.endswith('.rst'):
+            if filename.startswith('.'):
+                # Ignore hidden files as it starts with "."
+                continue
+            if not filename.endswith('.rst'):                
                 other_doc_examples.append(full_path)
                 continue
             rst_doc_examples.append(full_path)