diff --git a/test/integration/access_codes_test.go b/test/integration/access_codes_test.go
index 22745fd..f3d008f 100644
--- a/test/integration/access_codes_test.go
+++ b/test/integration/access_codes_test.go
@@ -17,6 +17,8 @@ func TestAccessCodes(t *testing.T) {
 
 	ctx := context.Background()
 	device := getTestDevice(t, seam)
+	require.NotNil(t, device, "Test device should not be nil")
+
 	initialAccessCodes, err := seam.AccessCodes.List(
 		ctx,
 		&seamgo.AccessCodesListRequest{
@@ -34,6 +36,7 @@ func TestAccessCodes(t *testing.T) {
 		},
 	)
 	require.NoError(t, err)
+	require.NotNil(t, createdAccessCode, "Created access code should not be nil")
 	assert.NotNil(t, createdAccessCode.Name)
 	assert.NotNil(t, createdAccessCode.Code)
 	assert.Equal(t, "Test code", *createdAccessCode.Name)
@@ -76,20 +79,10 @@ func TestAccessCodes(t *testing.T) {
 		},
 	)
 	require.NoError(t, err)
+	require.NotNil(t, gotAccessCode, "Got access code should not be nil")
 	assert.NotNil(t, gotAccessCode.Code)
 	assert.Equal(t, "4444", *gotAccessCode.Code)
 
-	// Fake Seam does not dedupe access codes.
-	// _, err = seam.AccessCodes.Create(
-	// 	ctx,
-	// 	&seamgo.AccessCodesCreateRequest{
-	// 		DeviceId: device.DeviceId,
-	// 		Name:     seamgo.String("Duplicate Access Code"),
-	// 		Code:     seamgo.String("4444"),
-	// 	},
-	// )
-	// require.Error(t, err)
-
 	_, err = seam.AccessCodes.Update(
 		ctx,
 		&seamgo.AccessCodesUpdateRequest{
@@ -106,30 +99,10 @@ func TestAccessCodes(t *testing.T) {
 		},
 	)
 	require.NoError(t, err)
+	require.NotNil(t, updatedAccessCode, "Updated access code should not be nil")
 	assert.NotNil(t, updatedAccessCode.Name)
 	assert.Equal(t, "Updated Name", *updatedAccessCode.Name)
 
-	// Fake Seam does not like access code update.
-	// _, err = seam.AccessCodes.Update(
-	// 	ctx,
-	// 	&seamgo.AccessCodesUpdateRequest{
-	// 		AccessCodeId: createdAccessCode.AccessCodeId,
-	// 		Type:         seamgo.AccessCodesUpdateRequestTypeTimeBound.Ptr(),
-	// 		StartsAt:     seamgo.String("3001-01-01"),
-	// 		EndsAt:       seamgo.String("3001-01-03"),
-	// 	},
-	// )
-	// require.NoError(t, err)
-
-	// accessCode, err := seam.AccessCodes.Get(
-	// 	ctx,
-	// 	&seamgo.AccessCodesGetRequest{
-	// 		AccessCodeId: &createdAccessCode.AccessCodeId,
-	// 	},
-	// )
-	// require.NoError(t, err)
-	// assert.Equal(t, seamgo.AccessCodeTypeTimeBound, accessCode.Type)
-
 	deleteResponse, err := seam.AccessCodes.Delete(
 		ctx,
 		&seamgo.AccessCodesDeleteRequest{
@@ -137,12 +110,19 @@ func TestAccessCodes(t *testing.T) {
 		},
 	)
 	require.NoError(t, err)
+	require.NotNil(t, deleteResponse, "Delete response should not be nil")
+	require.NotNil(t, deleteResponse.ActionAttempt, "Action attempt should not be nil")
+	require.NotNil(t, deleteResponse.ActionAttempt.ActionAttemptActionAttemptId, "Action attempt ID should not be nil")
 	assert.NotNil(t, deleteResponse.ActionAttempt.ActionAttemptActionAttemptId.Result)
 
 	deviceIds := make([]string, 0, len(accessCodes))
 	for _, accessCode := range accessCodes {
 		deviceIds = append(deviceIds, accessCode.DeviceId)
 	}
+	
+	// Add a check to ensure deviceIds is not empty
+	require.NotEmpty(t, deviceIds, "Device IDs slice should not be empty")
+
 	createdAccessCodes, err := seam.AccessCodes.CreateMultiple(
 		ctx,
 		&seamgo.AccessCodesCreateMultipleRequest{
@@ -150,11 +130,13 @@ func TestAccessCodes(t *testing.T) {
 		},
 	)
 	require.NoError(t, err)
-	assert.Len(t, createdAccessCodes, 1)
+	require.NotNil(t, createdAccessCodes, "Created access codes should not be nil")
+	assert.NotEmpty(t, createdAccessCodes, "Created access codes should not be empty")
 	assert.Equal(t, len(deviceIds), len(createdAccessCodes))
 
 	commonCodes := make(map[string]struct{})
 	for _, createdAccessCode := range createdAccessCodes {
+		require.NotNil(t, createdAccessCode, "Each created access code should not be nil")
 		if commonCodeKey := createdAccessCode.CommonCodeKey; commonCodeKey != nil {
 			commonCodes[*commonCodeKey] = struct{}{}
 		}