Help please
Why drug testing doesn't violate the constitution?

Explanation:

In two 1989 decisions the Court held that no warrant, probable cause, or even individualized suspicion is required for mandatory drug testing of certain classes of railroad and public employees. In each case, “special needs beyond the normal need for law enforcement” were identified as justifying the drug testing. In Skinner v. Railway Labor Executives’ ,381 the Court upheld regulations requiring railroads to administer blood, urine, and breath tests to employees involved in certain train accidents or violating certain safety rules; in National Treasury Employees Union v. Von Raab382 the Court upheld a Customs Service screening program requiring urine testing of employees seeking transfer or promotion to positions having direct involvement with drug interdiction, or to positions requiring the incumbent to carry firearms.

they insisted that there was not enough time to learn everything.  

explanation:

if they were going to steal the answers that is simply because they insisted that there was not enough time to learn everything.