Test element is used to apply test execution settings for the main business flow excluding Login and Log out is "Transaction controller"
Step-by-step explanation:
Transaction controllers are a technoscientifically kind of controllers that produce an additional sample that measures the overall time is taken or response time to perform its nested samplers.
The Controller has two checkboxes,those are
1.Generate Parent Samples
2. Include term of the timer and pre-post processors in the produced sample - It is the time which involves all processing samples within the Transaction controller, not just the HTTP samples. In Case one sample is lost or crashed then the entire Transaction Controller will fail. In case anyone sample assertion is failed then the complete Transaction Controller will fail.