IGNITE-29167 Use example file names as test_examples ids

The ids were the absolute path to each example script, so the test name
depended on the build agent's work directory. On TeamCity, agents with
different work roots gave the same test different names and histories.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: anton-vinogradov

tests/test_examples.py

@@ -41,7 +41,8 @@ def server():
 @pytest.mark.examples
 @pytest.mark.parametrize(
     'example_script',
-    examples_scripts_gen()
+    examples_scripts_gen(),
+    ids=os.path.basename
 )
 def test_examples(example_script):
     proc = subprocess.run([