The best replacement for test script is test case.

The best alternatives to test script are rated as following:
★★★★★  test case
★★★  test plan
★★  test scenario
★  use case

Your alternative for test script is not listed? Suggest!

No companions for test script have been suggested so far.
You have in mind a companion for test script and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of test script in all years. Click on graph for more.
test script
test case
test plan