Add experimental browser test

test/wasm_test.go

@@ -0,0 +1,30 @@
+//+build js,wasm
+
+package wasm_test
+
+import (
+	"io/ioutil"
+	"net/http"
+	"testing"
+)
+
+func TestFetch(t *testing.T) {
+	resp, err := http.Get("http://example.com/")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Errorf("Unexpected StatusCode %d", resp.StatusCode)
+	}
+
+	rb, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if string(rb) != "stuff" {
+		t.Errorf("Unexpected Body: %q", string(rb))
+	}
+}