diff --git a/client_test.go b/client_test.go
index f80abdc..adb6c19 100644
--- a/client_test.go
+++ b/client_test.go
@@ -55,49 +55,49 @@ import (
 // 	assert.True(gock.IsDone(), "there should be no more mocks")
 // }
 
-// func TestClient_WithFallbackFunc(t *testing.T) {
-// 	assert := assert.New(t)
-// 	defer gock.OffAll()
+func TestClient_WithFallbackFunc(t *testing.T) {
+	assert := assert.New(t)
+	defer gock.OffAll()
 
-// 	gock.New(mockerServer).
-// 		Post("/client/register").
-// 		MatchHeader("UNLEASH-APPNAME", mockAppName).
-// 		MatchHeader("UNLEASH-INSTANCEID", mockInstanceId).
-// 		Reply(200)
+	gock.New(mockerServer).
+		Post("/client/register").
+		MatchHeader("UNLEASH-APPNAME", mockAppName).
+		MatchHeader("UNLEASH-INSTANCEID", mockInstanceId).
+		Reply(200)
 
-// 	gock.New(mockerServer).
-// 		Get("/client/features").
-// 		Reply(200).
-// 		JSON(api.FeatureResponse{})
+	gock.New(mockerServer).
+		Get("/client/features").
+		Reply(200).
+		JSON(api.FeatureResponse{})
 
-// 	feature := "does_not_exist"
+	feature := "does_not_exist"
 
-// 	mockListener := &MockedListener{}
-// 	mockListener.On("OnReady").Return()
-// 	mockListener.On("OnRegistered", mock.AnythingOfType("ClientData"))
-// 	mockListener.On("OnCount", feature, true).Return()
-// 	mockListener.On("OnError").Return()
+	mockListener := &MockedListener{}
+	mockListener.On("OnReady").Return()
+	mockListener.On("OnRegistered", mock.AnythingOfType("ClientData"))
+	mockListener.On("OnCount", feature, true).Return()
+	mockListener.On("OnError").Return()
 
-// 	client, err := NewClient(
-// 		WithUrl(mockerServer),
-// 		WithAppName(mockAppName),
-// 		WithInstanceId(mockInstanceId),
-// 		WithListener(mockListener),
-// 	)
+	client, err := NewClient(
+		WithUrl(mockerServer),
+		WithAppName(mockAppName),
+		WithInstanceId(mockInstanceId),
+		WithListener(mockListener),
+	)
 
-// 	assert.NoError(err)
+	assert.NoError(err)
 
-// 	client.WaitForReady()
+	client.WaitForReady()
 
-// 	fallback := func(f string, ctx *context.Context) bool {
-// 		return f == feature
-// 	}
+	fallback := func(f string, ctx *context.Context) bool {
+		return f == feature
+	}
 
-// 	isEnabled := client.IsEnabled("does_not_exist", WithFallbackFunc(fallback))
-// 	assert.True(isEnabled)
+	isEnabled := client.IsEnabled("does_not_exist", WithFallbackFunc(fallback))
+	assert.True(isEnabled)
 
-// 	assert.True(gock.IsDone(), "there should be no more mocks")
-// }
+	assert.True(gock.IsDone(), "there should be no more mocks")
+}
 
 func TestClient_WithResolver(t *testing.T) {
 	assert := assert.New(t)