diff --git a/collections_test.go b/collections_test.go
index 044fbd8..e2579df 100644
--- a/collections_test.go
+++ b/collections_test.go
@@ -1,63 +1,65 @@
 package tmdb
 
-const starWarsID = 10
+const collectionID = 10
+const collectionIDImage = 2
 
 func (suite *TMBDTestSuite) TestGetCollectionDetails() {
-	collection, err := suite.client.GetCollectionDetails(starWarsID, nil)
+	collection, err := suite.client.GetCollectionDetails(collectionID, nil)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionDetailsFail() {
 	suite.client.apiKey = ""
-	_, err := suite.client.GetCollectionDetails(starWarsID, nil)
+	_, err := suite.client.GetCollectionDetails(collectionID, nil)
 	suite.NotNil(err)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionDetailsWithOptions() {
 	options := make(map[string]string)
 	options["language"] = "pt-BR"
-	collection, err := suite.client.GetCollectionDetails(starWarsID, options)
+	collection, err := suite.client.GetCollectionDetails(collectionID, options)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionImages() {
-	collection, err := suite.client.GetCollectionImages(starWarsID, nil)
+	collection, err := suite.client.GetCollectionImages(collectionIDImage, nil)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionImagesFail() {
 	suite.client.apiKey = ""
-	_, err := suite.client.GetCollectionImages(starWarsID, nil)
+	_, err := suite.client.GetCollectionImages(collectionID, nil)
 	suite.NotNil(err)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionImagesWithOptions() {
 	options := make(map[string]string)
-	options["language"] = "pt-BR"
-	collection, err := suite.client.GetCollectionImages(starWarsID, options)
+	options["language"] = "en-US"
+	options["language"] = "en"
+	collection, err := suite.client.GetCollectionImages(collectionIDImage, options)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionTranslations() {
-	collection, err := suite.client.GetCollectionTranslations(starWarsID, nil)
+	collection, err := suite.client.GetCollectionTranslations(collectionID, nil)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionTranslationsFail() {
 	suite.client.apiKey = ""
-	_, err := suite.client.GetCollectionTranslations(starWarsID, nil)
+	_, err := suite.client.GetCollectionTranslations(collectionID, nil)
 	suite.NotNil(err)
 }
 
 func (suite *TMBDTestSuite) TestGetCollectionTranslationsWithOptions() {
 	options := make(map[string]string)
 	options["language"] = "pt-BR"
-	collection, err := suite.client.GetCollectionTranslations(starWarsID, options)
+	collection, err := suite.client.GetCollectionTranslations(collectionID, options)
 	suite.Nil(err)
 	suite.NotNil(collection.ID)
 }