Struct slice yields wrong no of arguments.

resp/resp3/flatten_test.go

@@ -0,0 +1,33 @@
+package resp3
+
+import (
+	"testing"
+
+	"github.com/mediocregopher/radix/v4/resp"
+	"github.com/stretchr/testify/suite"
+)
+
+type FlattenTestSuite struct {
+	suite.Suite
+}
+
+type NestedStruct struct{}
+
+type sliceTestStruct struct {
+	Other  string
+	Nested []NestedStruct
+}
+
+func (s *FlattenTestSuite) TestEmptyNestedSlice() {
+	testInst := sliceTestStruct{
+		Other: "hello",
+	}
+
+	flat, err := Flatten(testInst, resp.NewOpts())
+	s.NoError(err)
+	s.Equal([]string{"Other", "hello"}, flat)
+}
+
+func TestFlattenTestSuite(t *testing.T) {
+	suite.Run(t, new(FlattenTestSuite))
+}