storage examples migrated to pytest

examples/storage/spiffs/pytest_spiffs_example.py

@@ -0,0 +1,23 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
+
+import re
+
+import pytest
+from pytest_embedded import Dut
+
+
+@pytest.mark.esp32
+@pytest.mark.esp32c3
+def test_examples_spiffs(dut: Dut) -> None:
+    message_list = (rb'example: Initializing SPIFFS',
+                    rb'example: Partition size: total: \d+, used: \d+',
+                    rb'example: Opening file',
+                    rb'example: File written',
+                    rb'example: Renaming file',
+                    rb'example: Reading file',
+                    rb'example: Read from file: \'Hello World!\'',
+                    rb'example: SPIFFS unmounted')
+
+    for msg in message_list:
+        dut.expect(re.compile(msg), timeout=60)