`CompResourcesWidget`: do not raise when computer test fails

[yakutovicha]

fixes #418

[codecov[bot]]

Codecov Report

Patch coverage: 74.03% and project coverage change: -0.11% :warning:

Comparison is base (27ff1ba) 79.42% compared to head (91e0887) 79.31%. Report is 4 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #506 +/- ## ========================================== - Coverage 79.42% 79.31% -0.11% ========================================== Files 27 27 Lines 3757 3834 +77 ========================================== + Hits 2984 3041 +57 - Misses 773 793 +20 ``` | [Flag](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | Coverage Δ | | |---|---|---| | [python-3.10](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `79.31% <74.03%> (-0.11%)` | :arrow_down: | | [python-3.8](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `79.35% <74.03%> (-0.11%)` | :arrow_down: | | [python-3.9](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `79.35% <74.03%> (-0.11%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | Coverage Δ | | |---|---|---| | [aiidalab\_widgets\_base/databases.py](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#diff-YWlpZGFsYWJfd2lkZ2V0c19iYXNlL2RhdGFiYXNlcy5weQ==) | `94.11% <ø> (+0.65%)` | :arrow_up: | | [aiidalab\_widgets\_base/computational\_resources.py](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#diff-YWlpZGFsYWJfd2lkZ2V0c19iYXNlL2NvbXB1dGF0aW9uYWxfcmVzb3VyY2VzLnB5) | `69.73% <63.15%> (-0.82%)` | :arrow_down: | | [aiidalab\_widgets\_base/structures.py](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#diff-YWlpZGFsYWJfd2lkZ2V0c19iYXNlL3N0cnVjdHVyZXMucHk=) | `74.96% <71.42%> (-0.19%)` | :arrow_down: | | [tests/test\_computational\_resources.py](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#diff-dGVzdHMvdGVzdF9jb21wdXRhdGlvbmFsX3Jlc291cmNlcy5weQ==) | `100.00% <100.00%> (ø)` | | | [tests/test\_structures.py](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/506?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#diff-dGVzdHMvdGVzdF9zdHJ1Y3R1cmVzLnB5) | `100.00% <100.00%> (ø)` | |

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[yakutovicha]

@yakutovicha thanks, looks great! I have two final small suggestions.

Thanks for the suggestions. I also quickly tested them - all good.