Enable gzip encoding static files for webgui

internal/auto/auto_test.go

@@ -8,6 +8,8 @@ package auto_test
 
 import (
 	"bytes"
+	"compress/gzip"
+	"io/ioutil"
 	"testing"
 
 	"github.com/syncthing/syncthing/internal/auto"
@@ -19,6 +21,11 @@ func TestAssets(t *testing.T) {
 	if !ok {
 		t.Fatal("No index.html in compiled in assets")
 	}
+
+	var gr *gzip.Reader
+	gr, _ = gzip.NewReader(bytes.NewReader(idx))
+	idx, _ = ioutil.ReadAll(gr)
+
 	if !bytes.Contains(idx, []byte("<html")) {
 		t.Fatal("No html in index.html")
 	}