logger: slog break import cycle

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

tracer/tracer_test.go

@@ -1,4 +1,4 @@
-package tracer
+package tracer_test
 
 import (
 	"bytes"
@@ -7,16 +7,20 @@ import (
 	"testing"
 
 	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/logger/slog"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 func TestLoggerWithTracer(t *testing.T) {
 	ctx := context.TODO()
 	buf := bytes.NewBuffer(nil)
-	if err := logger.Init(logger.WithOutput(buf)); err != nil {
+	logger.DefaultLogger = slog.NewLogger(logger.WithOutput(buf))
+
+	if err := logger.Init(); err != nil {
 		t.Fatal(err)
 	}
-	var span Span
-	ctx, span = DefaultTracer.Start(ctx, "test")
+	var span tracer.Span
+	ctx, span = tracer.DefaultTracer.Start(ctx, "test")
 	logger.Info(ctx, "msg")
 	if !strings.Contains(buf.String(), span.TraceID()) {
 		t.Fatalf("log does not contains tracer id")