public void CheckImportDataFromFile_ForEmptyFile_ReturnActionResult()
        {
            // Arrange
            InitializeImportData();
            var controller = new GroupController();

            // Act
            var result = controller.CheckImportDataFromFile(string.Empty,
                                                            string.Empty, string.Empty, StringTen, Text,
                                                            string.Empty, string.Empty, string.Empty) as JsonResult;

            // Assert
            result.ShouldSatisfyAllConditions(
                () => result.ShouldNotBeNull(),
                () => result.Data.ShouldNotBeNull());
        }