public void DeleteTeamMemberAsyncShouldDeleteTeamMemberCorrectly() { var options = new DbContextOptionsBuilder <IntillegioContext>() .UseInMemoryDatabase(databaseName: "Delete_TeamMember_Db") .Options; var dbContext = new IntillegioContext(options); var service = new AboutService(dbContext, null); var teamMember = new TeamMember(); dbContext.TeamMembers.Add(teamMember); dbContext.SaveChanges(); var teamMemberId = dbContext.TeamMembers.LastOrDefault().Id; service.DeleteTeamMemberAsync(teamMemberId); Assert.True(dbContext .TeamMembers .Any(tm => tm.Id == teamMemberId) == false); }