func TestStartProfiler(t *testing.T) {
	_, err := startProfiler("")
	if err == nil {
		t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
	}
}

// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
	if urlStr == "" {
		return nil, errors.New("Address cannot be empty")
	}
	u, err := url.Parse(urlStr)
	if err != nil {