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Update web-platform-tests to revision b'468d01bbd84da2babf265c6af46947be68713440'

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WPT Sync Bot 2021-09-07 11:16:33 +00:00 • committed by cybai
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tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
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@ -152,7 +152,7 @@ customising the test run:
./wpt run --help
[A complete listing of the command-line arguments is available
here](command-line-arguments.md).
here](command-line-arguments.html#run).
```eval_rst
.. toctree::
@ -161,7 +161,7 @@ here](command-line-arguments.md).
command-line-arguments
```
Additional browser-specific documentation:
### Browser-specific instructions
```eval_rst
.. toctree::
@ -173,6 +173,35 @@ Additional browser-specific documentation:
webkitgtk_minibrowser
```
### Running in parallel
To speed up the testing process, use the `--processes` option to run multiple
browser instances in parallel. For example, to run the tests in dom/ with six
Firefox instances in parallel:
./wpt run --processes=6 firefox dom/
But note that behaviour in this mode is necessarily less deterministic than with
a single process (the default), so there may be more noise in the test results.
### Output formats
By default, `./wpt run` outputs test results and a summary in a human readable
format. For debugging, `--log-mach` can give more verbose output. For example:
./wpt run --log-mach=- --log-mach-level=info firefox dom/
A machine readable JSON report can be produced using `--log-wptreport`. This
together with `--log-wptscreenshot` is what is used to produce results for
[wpt.fyi](https://wpt.fyi). For example:
./wpt run --log-wptreport=report.json --log-wptscreenshot=screenshots.txt firefox css/css-grid/
(See [wpt.fyi documentation](https://github.com/web-platform-tests/wpt.fyi/blob/main/api/README.md#results-creation)
for how results are uploaded.)
### Expectation data
For use in continuous integration systems, and other scenarios where regression
tracking is required, the command-line interface supports storing and loading
the expected result of each test in a test run. See [Expectations