public void GetByCourseIdReturnsAllCoursesWithTheGivenId() { var courseId = "test"; BaseServiceTests.Initialize(); var countWithId = this.dbFixture.dbContext.Assignments .Where(a => a.IsDeleted == false && a.Lecturecise.CourseId == courseId).Count(); var repository = new DbRepository <Assignment>(this.dbFixture.dbContext); var service = new AssignmentService(repository); Assert.Equal(countWithId, service.GetByCourseId(courseId).Count()); }