     }
     
     func testNSDataRetrievalWhenValueDoesNotExist() {
-        if let retrievedData = KeychainWrapper.dataForKey(testKey) {
+        if let _ = KeychainWrapper.dataForKey(testKey) {
             XCTFail("Data for Key should not exist")
         } else {
             XCTAssert(true, "Pass")

    }
    
    func testNSCodingObjectRetrieval() {
        var testInt: Int = 9
        var myTestObject = testObject()
        myTestObject.objectName = testString
        myTestObject.objectRating = testInt
        

    }
    
    func testStringRetrievalWhenValueDoesNotExist() {
        if let _ = KeychainWrapper.stringForKey(testKey) {
            XCTFail("String for Key should not exist")
        } else {
            XCTAssert(true, "Pass")
