add go functest

tests/default_test.go

@@ -0,0 +1,17 @@
+package test
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestMain(t *testing.T) {
+	r, err := http.Get("http://localhost:3000/")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer r.Body.Close()
+	if r.StatusCode != http.StatusOK {
+		t.Error(r.StatusCode)
+	}
+}