Amend your body data as:
Add JSR223 PreProcessor as a child of the request which payload you need to increment
Put the following code into "Script" area:
def numericPart = (vars.get('FirstName') =~ /(\d+)/) as int
def incremented = numericPart + 1
After few experiments, we switched to a node js framework, Cypress. It solves our issue of flaky tests and gave us a few benefits of a11y testing etc. It also reduced the the tests complexity and totle code. However, since Cypress runs all the tests in sequence and their parallel run is a paid feature. The build is taking a lot of time to complete the all ...