[GH] (texera/gh-readonly-queue/main/pr-6819-234270b32857e70f61e0dcc4701c1053bf13095e): Workflow run "Lint PR" is working again!

[GitBox <gi...@apache.org>]

The GitHub Actions job "Lint PR" on texera.git/gh-readonly-queue/main/pr-6819-234270b32857e70f61e0dcc4701c1053bf13095e has succeeded.
Run started by GitHub user aglinxinyuan (triggered by aglinxinyuan).

Head commit for run:
7a3a633aa48bc2b086fd8cdd985a55e807b19e71 / Xinyuan Lin <xi...@uci.edu>
test(frontend): extend ComputingUnitStatusService unit test coverage (#6819)

### What changes were proposed in this PR?

Extends `computing-unit-status.service.spec.ts` with 8 tests (18 -> 26),
covering `selectComputingUnit`'s cache-miss (refresh + wait-for-unit +
websocket open), no-op guard (same wid+cuid), and
reconnect-on-wid-change paths, the websocket open with `(wid, uid,
cuid)`, and the status/metric stream branches. Coverage 82% -> ~100%. No
existing tests modified.

### Any related issues, documentation, discussions?

Closes #6815.

### How was this PR tested?

`ng test --include='**/computing-unit-status.service.spec.ts'` -> 26/26
passing. `yarn format:ci` passes.

### Was this PR authored or co-authored using generative AI tooling?

Generated-by: Claude Code (Opus 4.8 [1M context])

---------

Signed-off-by: Xinyuan Lin <xi...@uci.edu>
Co-authored-by: Copilot Autofix powered by AI <17...@users.noreply.github.com>
Co-authored-by: Meng Wang <me...@uci.edu>

Report URL: https://github.com/apache/texera/actions/runs/30426381383

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