1• A test script in software testing is
2a set of instructions that will be performed
3on the system under test to test that the
4system functions as expected.
5
6 Scenario testing is a software testing
7 technique that is based on a scenario.
8 Basically It involves converting business
9 requirements to test scenarios for better
10 understanding and to achieve an end to end testing. 
11 
12 For Examle :
13As  test scenario – “Verify that the user is not
14able to login with incorrect credentials”.
15Now, we can  brake down into test scenario 
16to multiple test cases like-