refactor (cxx): changed cxx unit tests to component unit tests

components/cxx/test_apps/exception/pytest_cxx_exception.py

@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: CC0-1.0
+
+import pytest
+from pytest_embedded import Dut
+
+
+@pytest.mark.esp32
+@pytest.mark.esp32c3
+@pytest.mark.generic
+def test_cxx_exception(dut: Dut) -> None:
+    dut.expect_exact('Press ENTER to see the list of tests')
+    dut.write('*')
+    dut.expect_unity_test_output()