Take url settings for tests

[EvilLord666]

Tests are running like this:

func TestApplicationOnHttp(t *testing.T) {
	testRunCommonTestCycleImpl(t, &httpAppConfig, "http://127.0.0.1:8284")
}

// todo(UMV): take from config
func TestApplicationOnHttps(t *testing.T) {
	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
	testRunCommonTestCycleImpl(t, &httpsAppConfig, "https://127.0.0.1:8672")
}

But we have settings in variables, we should use setting value to build URL and run