cmd/dex: add logging config and serve logger for different modules.

storage/memory/memory_test.go

@@ -1,11 +1,23 @@
 package memory
 
 import (
+	"os"
 	"testing"
 
+	"github.com/Sirupsen/logrus"
+	"github.com/coreos/dex/storage"
 	"github.com/coreos/dex/storage/conformance"
 )
 
 func TestStorage(t *testing.T) {
-	conformance.RunTests(t, New)
+	logger := &logrus.Logger{
+		Out:       os.Stderr,
+		Formatter: &logrus.TextFormatter{DisableColors: true},
+		Level:     logrus.DebugLevel,
+	}
+
+	newStorage := func() storage.Storage {
+		return New(logger)
+	}
+	conformance.RunTests(t, newStorage)
 }