private async Task TestSelects()
{
List <Course> courseActual = await courseStorage.CourseGetAll();
for (int i = 0; i < listCourse.Count; i++)
{
Assert.Contains(listCourse[i], courseActual);
}
Course actualCourse = await courseStorage.CourseGetById((int)listCourse[0].Id);
Assert.AreEqual(listCourse[0], actualCourse);
}