diff --git a/progress_test.go b/progress_test.go
index 622537b..8309fc9 100644
--- a/progress_test.go
+++ b/progress_test.go
@@ -3,20 +3,26 @@
 import "testing"
 
 func TestAddBar(t *testing.T) {
-	p := New()
+	p := New().SetWidth(60)
 	count := p.BarsCount()
 	if count != 0 {
 		t.Errorf("Count want: %q, got: %q\n", 0, count)
 	}
-	p.AddBar(10)
+	p.Wg.Add(1)
+	bar := p.AddBar(10)
 	count = p.BarsCount()
 	if count != 1 {
 		t.Errorf("Count want: %q, got: %q\n", 0, count)
 	}
+	for i := 0; i < 10; i++ {
+		bar.Incr(1)
+	}
+	p.WaitAndStop()
 }
 
 func TestRemoveBar(t *testing.T) {
 	p := New()
+	p.Wg.Add(1)
 	b := p.AddBar(10)
 
 	if !p.RemoveBar(b) {
@@ -27,4 +33,5 @@
 	if count != 0 {
 		t.Errorf("Count want: %q, got: %q\n", 0, count)
 	}
+	p.WaitAndStop()
 }