Update error messages in sanity tests

Update error messages throughout sanity tests
to use the same (or similar) format of error message.

Change-Id: I4db0517a5b264151ddaa6ea2c2a04d37e139944e
Related-PROD: #PROD-32415
29 files changed
tree: 4710714a82c7304f09e8377020822a626be7edb1
  1. bin/
  2. docs/
  3. test_set/
  4. .gitignore
  5. Dockerfile
  6. LICENSE