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

.github/workflows/websocket__build-target-test.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         idf_ver: ["release-v5.0", "release-v5.1", "latest"]
-        test: [ { app: example, path: "examples" } ]
+        test: [ { app: example, path: "examples" }, { app: unit_test, path: "test" } ]
     runs-on: ubuntu-20.04
     container: espressif/idf:${{ matrix.idf_ver }}
     env:
@@ -53,7 +53,7 @@ jobs:
       matrix:
         idf_ver: ["release-v5.0", "release-v5.1", "latest"]
         idf_target: ["esp32"]
-        test: [ { app: example, path: "examples" } ]
+        test: [ { app: example, path: "examples" }, { app: unit_test, path: "test" } ]
     runs-on:
       - self-hosted
       - ESP32-ETHERNET-KIT