         guard let data = GitHubMilestoneJSONWithSomeParameters.data(using: .utf8),
         let createdAt = dateFormatter.date(from: "2018-01-20T16:29:28Z"),
             let updatedAt = dateFormatter.date(from: "2018-02-27T06:23:58Z") else {
-            XCTFail("Cannot generate data")
+            XCTFail("Could not generate data")
             return
         }
         

        ("test_GitHubUser_decode", test_GitHubUser_decode),
        ("test_GitHubMilestone_decodeWithSomeParameters", test_GitHubMilestone_decodeWithSomeParameters),
        ("test_GitHubMilestone_decodeWithAllParameters", test_GitHubMilestone_decodeWithAllParameters),
    ]

    private let dateFormatter = DateFormatter.defaultDateFormatter

            let updatedAt = dateFormatter.date(from: "2018-02-27T06:23:58Z"),
            let closedAt = dateFormatter.date(from: "2018-03-20T09:46:21Z"),
            let dueOn = dateFormatter.date(from: "2018-03-27T07:10:01Z") else {
                XCTFail("Could not generate data")
                return
        }
        
