feat: add test for MicroPython ESP32 example execution

Author: JakubAndrysek

tests/test_micropython_esp32.py

@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2025-present CodeMagic LTD
+#
+# SPDX-License-Identifier: MIT
+
+from .utils import run_example_module
+
+
+def test_micropython_esp32_example() -> None:
+    """MicroPython ESP32 example should run and print MicroPython banner."""
+    # MicroPython boot can take a bit longer; give it a few seconds
+    result = run_example_module("examples.micropython_esp32.main", sleep_time="3")
+    assert result.returncode == 0
+    # Expect a line from the injected MicroPython script
+    assert "Hello, MicroPython! I'm running on a Wokwi ESP32 simulator." in result.stdout