Any suggestion pls.Here is my code.


@isTest
private class TestRejectDoubleBooking{
    static testmethod void TestDoubleBooking() {
    Datetime now = System.now();
    Speaker__c speaker = new Speaker__c(First_Name__c='John', Last_Name__c='Smith');
    insert speaker;
    Session__c session1 = new Session__c(Name='Session 1', Session_Date__c=now);
    insert session1;
    Session__c session2 = new Session__c(Name='Session 2', Session_Date__c=now);
    insert session2;
    Session_Speaker__c assignment1 =
    new Session_Speaker__c(Session__c=session1.Id, Speaker__c=speaker.Id);
    insert assignment1;
    Session_Speaker__c assignment2 =
    new Session_Speaker__c(Session__c=session2.Id, Speaker__c=speaker.Id);
    Database.SaveResult result = Database.insert(assignment2, false);
    System.assert(!result.isSuccess());
}



}

vv