seed concept : Ex: I ran single test 9 times passing out of 10 times and one time is failing. Please help me, How to overcome from this issue

I don’t agree. In a sufficiently complex setup, there can always be uncontrolled variables unknown to the test bench writer which can cause these sorts of failures. This happens all of the time in real world scenarios. The random seed input is only one item that controls the behavior of a random te…