diff --git a/connect/manager.go b/connect/manager.go
index 69e66d336f89a95f94a953ae6dad179a4e48bca6..817041ce05ae1a6f25aa6f5899cac502cc4be1ac 100644
--- a/connect/manager.go
+++ b/connect/manager.go
@@ -33,9 +33,16 @@ func newManager() *Manager {
 	}
 }
 
-func NewManagerTesting(t *testing.T) *Manager {
-	if t == nil {
-		jww.FATAL.Panicf("NewMangerTesting is for testing only")
+func NewManagerTesting(i interface{}) *Manager {
+	switch i.(type) {
+	case *testing.T:
+		break
+	case *testing.M:
+		break
+	case *testing.B:
+		break
+	default:
+		jww.FATAL.Panicf("NewManagerTesting is restricted to testing only. Got %T", i)
 	}
 	return newManager()
 }