         XCTAssertEqual(entries[0].name, "empty_dir/")
         XCTAssertEqual(entries[0].isDirectory, true)
         XCTAssertEqual(entries[0].size, 0)
-        XCTAssertEqual(try entries[0].data(), Data())
+        XCTAssertEqual(entries[0].data(), Data())
     }
 
     func testEmptyContainer() throws {

        XCTAssertEqual(entries[0].name, "dir/")
        XCTAssertEqual(entries[0].isDirectory, true)
        XCTAssertEqual(entries[0].size, 0)
        XCTAssertEqual(try entries[0].data(), Data())

        XCTAssertEqual(entries[1].name, "text_win.txt")
        XCTAssertEqual(entries[1].isDirectory, false)
        XCTAssertEqual(entries[1].size, 15)
        XCTAssertEqual(try entries[1].data(), "Hello, Windows!".data(using: .utf8))
    }

    func testEmptyFile() throws {

        XCTAssertEqual(result.count, 5)

        for entry in result {
            let name = entry.name.components(separatedBy: ".")[0]
            guard let answerURL = Constants.url(forAnswer: name) else {
                XCTFail("Unable to get answer's URL.")
                return
