examples: import_lib: add example test

examples/build_system/cmake/import_lib/pytest_import_lib.py

@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: CC0-1.0
+
+import pytest
+from pytest_embedded_qemu.dut import QemuDut
+
+
+@pytest.mark.esp32  # we only support qemu on esp32 for now
+@pytest.mark.host_test
+@pytest.mark.qemu
+def test_pytest_host(dut: QemuDut) -> None:
+    dut.expect_exact('Initializing the filesystem')
+    dut.expect_exact('Read XML data:')
+    dut.expect_exact('Parsed XML data:')
+    dut.expect_exact('To: Tove')
+    dut.expect_exact('From: Jani')
+    dut.expect_exact('Heading: Reminder')
+    dut.expect_exact('Body: Don\'t forget me this weekend!')
+    dut.expect_exact('Example end', timeout=20)