fix: improve dry-run command

[kobenguyent]

Motivation/Description of the PR

dry-run command now supports test level grep.

Tests from /Users/t/Desktop/projects/codeceptjs-rest-demo:@jaja

GET tests -- /Users/t/Desktop/projects/codeceptjs-rest-demo/src/GET_test.ts -- 4 tests
  ☐ Verify getting a single user @jaja
  ☐ Verify getting list of users @jaja
PUT tests -- /Users/t/Desktop/projects/codeceptjs-rest-demo/src/PUT_test.ts -- 4 tests
  ☐ Verify creating new user @Jaja


  Total: 2 suites | 3 tests  

--- DRY MODE: No tests were executed ---
➜  codeceptjs-rest-demo git:(master) ✗ npx codeceptjs dry-run             
Tests from /Users/t/Desktop/projects/codeceptjs-rest-demo:

DELETE tests -- /Users/t/Desktop/projects/codeceptjs-rest-demo/src/DELETE_test.ts -- 4 tests
  ☐ Verify deleting a user
GET tests -- /Users/t/Desktop/projects/codeceptjs-rest-demo/src/GET_test.ts -- 4 tests
  ☐ Verify a successful call
  ☐ Verify a not found call
  ☐ Verify getting a single user @jaja
  ☐ Verify getting list of users @jaja
POST tests -- /Users/tDesktop/projects/codeceptjs-rest-demo/src/POST_test.ts -- 4 tests
  ☐ Verify creating new user
  ☐ Verify uploading a file
PUT tests -- /Users/tDesktop/projects/codeceptjs-rest-demo/src/PUT_test.ts -- 4 tests
  ☐ Verify creating new user @Jaja


  Total: 4 suites | 8 tests  

--- DRY MODE: No tests were executed ---

Checklist:

• Tests have been added
• Documentation has been added (Run npm run docs)
• Lint checking (Run npm run lint)
• Local tests are passed (Run npm test)