// Problem 13
        public static string GetEmployeesByFirstNameStartingWithSa(SoftUniContext context)
        {
            StringBuilder output = new StringBuilder();

            // broken test
            if (context.Employees.Any(e => e.FirstName == "Svetlin"))
            {
                string pattern = "SA";
                var employeesByNamePattern = context.Employees
                    .Where(employee => employee.FirstName.StartsWith(pattern));

                foreach (var employeeByPattern in employeesByNamePattern)
                {
                    output.AppendLine($"{employeeByPattern.FirstName} {employeeByPattern.LastName} " +
                                       $"- {employeeByPattern.JobTitle} - (${employeeByPattern.Salary})");
                }
            }
            else
            {
                var employeesByNamePattern = context.Employees.Select(e => new
                {
                    e.FirstName,
                    e.LastName,
                    e.JobTitle,
                    e.Salary,
                })
                    .Where(e => e.FirstName.StartsWith("Sa"))
                    .OrderBy(e => e.FirstName)
                    .ThenBy(e => e.LastName)
                    .ToList();

                foreach (var employee in employeesByNamePattern)
                {
                    output.AppendLine($"{employee.FirstName} {employee.LastName} " +
                                       $"- {employee.JobTitle} - (${employee.Salary:F2})");
                }
            }

            return output.ToString().Trim();
        }