public async void EnrollUserInCourseById_OkResult()
{
// Arrange
int courseId = 1;
int studentId = 1;
var mockCourseRepo = new Mock <IRepositoryAsync <Course> >();
mockCourseRepo.Setup(repo => repo.FindAsync(courseId)).ReturnsAsync(new Course());
var controller = new CourseController(null, mockCourseRepo.Object);
// Act
var result = await controller.EnrollUserInCourseById(courseId, studentId);
// Assert
Assert.IsType <OkResult>(result);
}
