public async Task UpdateDelete_ReturnsAViewResult()
{
// Arrange
var gr = new Group()
{
Id = 1,
Name = "AMI31"
};
var mockLogic = new Mock <IGroupsLogic>();
int groupId = 1;
mockLogic.Setup(repo => repo.GetGroup(groupId)).Returns(Task.FromResult(gr));
var controller = new GroupsController(mockLogic.Object);
// Act
IActionResult actionResult = await controller.DeleteConfirmed(groupId);
// Assert
var viewResult = Assert.IsType <RedirectToActionResult>(actionResult);
mockLogic.Verify(repo => repo.DeleteGroup(gr), Times.Once);
}