public void Test_GetAllOpportunity()
        {
            //Initialize SqlQueryHelper object
            var sqlConnection = new SqlConnection(ConnectionString);

            sqlConnection.Open();

            var command = new SqlCommand("select count(*) from opportunity_section where OpportunityID = 10", sqlConnection);
            var csCount = Convert.ToInt32(command.ExecuteScalar());

            //Opportunity

            CourseSection cs = new CourseSection();

            List <CourseSection> csList = cs.GetAssignedCourseSection(10);

            Assert.AreEqual(csCount, csList.Count);
        }