fix: otel not working without USER

pkg/observability/logs/elastic_test.go

@@ -0,0 +1,24 @@
+package logs
+
+import (
+	"bytes"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewElasticLogger(t *testing.T) {
+	buf := bytes.NewBuffer(nil)
+	cwb := zerolog.ConsoleWriter{Out: buf, TimeFormat: time.RFC3339, NoColor: true}
+
+	out := zerolog.MultiLevelWriter(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: time.RFC3339}, cwb)
+
+	logger := NewElasticLogger(zerolog.New(out).With().Caller().Logger())
+
+	logger.Errorf("foo")
+
+	assert.Equal(t, "<nil> ERR elastic_test.go:21 > foo\n", buf.String())
+}