private void mock404Handler(HttpExchange httpExchange) throws IOException {
		try {
			httpExchange.sendResponseHeaders(HttpURLConnection.HTTP_NOT_FOUND, 0);
		}
		finally {
			httpExchange.close();
		}
	}
Tests the LibreTranslateStringTranslationService by creating a mock HTTP server that responds
to the minimal requests the service needs.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/string/translate/libretranslate/LibreTranslateStringTranslationServiceTest.java