         instantiateVisualRecognition()
         loadImageFiles()
         lookupClassifier()
-        lookupCollection()
     }
     
     /** Instantiate Visual Recognition. */

            ("testDetectFacesByURL", testDetectFacesByURL),
            ("testDetectFacesByImage1", testDetectFacesByImage1),
            ("testDetectFacesByImage2", testDetectFacesByImage2),
            ("testGetCollections", testGetCollections),
            ("testRetrieveCollectionDetails", testRetrieveCollectionDetails),
            ("testAddDeleteImageToCollection", testAddDeleteImageToCollection),
            ("testAddDeleteImageWithMetadataToCollection", testAddDeleteImageWithMetadataToCollection),
            ("testCreateDeleteCollection", testCreateDeleteCollection),
            ("testListImagesInCollection", testListImagesInCollection),
            ("testAddDeleteMetadataToImageInCollection", testAddDeleteMetadataToImageInCollection),
            ("testAddListMetadataForImageInCollection", testAddListMetadataForImageInCollection),
            ("testSimilarImages", testSimilarImages),
            ("testSimilarImagesWithInvalidFile", testSimilarImagesWithInvalidFile),
            ("testCreateClassifierWithInvalidPositiveExamples", testCreateClassifierWithInvalidPositiveExamples),
            ("testClassifyByInvalidURL", testClassifyByInvalidURL),
            ("testDetectFacesByInvalidURL", testDetectFacesByInvalidURL),
            ("testAddZipToCollection", testAddZipToCollection)
        ]
    }
    

        }
    }
    
    /** Train a classifier for the test suite. */
    func trainClassifier() {
        let description = "Train a classifier for the test suite."
