    @Test
    public void ping_ResourceNotFound_ReturnsFalse() {


        MockInterceptor okHttpMockInterceptor = new MockInterceptor();
        okHttpMockInterceptor.addRule()
                .get()
                .url("https://jumpcutter.letum.ch/")
                .answer(request -> new Response.Builder().code(404));
        OkHttpClient okHttpClient = new OkHttpClient.Builder()
                .addInterceptor(okHttpMockInterceptor)
                .build();

        ServerWrapper server = new ServerWrapper(okHttpClient, null);
        Boolean response = server.ping();

        Assert.assertEquals(false, response);
    }