fix(websocket): Added unit tests to CI + minor fix to pass it

components/esp_websocket_client/test/pytest_websocket.py

@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+from pytest_embedded import Dut
+
+
+def test_websocket(dut: Dut) -> None:
+    dut.expect_unity_test_output()