chore: fix .only in dependent tests

[pavelfeldman]

Fixes #26492
Fixes #26496

[github-actions]

Test results for "tests 1"

1 failed
❌ [playwright-test] › expect-poll.spec.ts:222:5 › should show intermediate result for poll that spills over test time

14 flaky
⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › library/proxy.spec.ts:179:3 › should exclude patterns
⚠️ [firefox] › page/page-event-request.spec.ts:162:3 › should return response body when Cross-Origin-Opener-Policy is set
⚠️ [playwright-test] › ui-mode-trace.spec.ts:22:5 › should merge trace events
⚠️ [playwright-test] › ui-mode-trace.spec.ts:53:5 › should merge web assertion events
⚠️ [chromium] › library/inspector/cli-codegen-pytest.spec.ts:56:5 › should save the codegen output to a file if specified
⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-event-request.spec.ts:101:3 › should report navigation requests and responses handled by service worker
⚠️ [webkit] › library/browsercontext-fetch.spec.ts:1039:3 › should abort requests when browser context closes
⚠️ [playwright-test] › ui-mode-test-progress.spec.ts:218:5 › should show trace w/ multiple contexts
⚠️ [playwright-test] › ui-mode-trace.spec.ts:22:5 › should merge trace events
⚠️ [playwright-test] › ui-mode-trace.spec.ts:53:5 › should merge web assertion events
⚠️ [playwright-test] › ui-mode-trace.spec.ts:126:5 › should show snapshots for sync assertions

25034 passed, 583 skipped
✔️✔️✔️

❌ [playwright-test] › expect-poll.spec.ts:222:5 › should show intermediate result for poll that spills over test time

Error: expect(received).toContain(expected) // indexOf

Expected substring: "Expected: 2"
Received string:    "
Running 1 test using 1 worker·
  ✘  1 a.spec.ts:3:11 › should fail (2.0s)··
  1) a.spec.ts:3:11 › should fail ──────────────────────────────────────────────────────────────────·
    Test timeout of 2000ms exceeded.·
  1 failed
    a.spec.ts:3:11 › should fail ───────────────────────────────────────────────────────────────────
"

  230 |   }, { timeout: 2000 });
  231 |   expect(result.exitCode).toBe(1);
> 232 |   expect(result.output).toContain('Expected: 2');
      |                         ^
  233 |   expect(result.output).toContain('Received: 3');
  234 | });
  235 |

    at /Users/runner/work/playwright/playwright/tests/playwright-test/expect-poll.spec.ts:232:25

Merge workflow run.