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[tests] Mark closure/cycles_test as slow on chrome, skip on firefox.

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Eventually we may want to revisit whether it is worth running this test
at all on the web backends. The test was designed to ensure the VM
didn't produce memory leaks when capturing state in closures, as such,
it may be better placed on a different suite.

Today, the test passes in most web configurations. The two exceptions
are:
  * ddc-linux-chrome is flaky and times out 50% of the time
  * ddc-linux-firefox consistently times out.

Locally, on a machine much faster than our bots, the former completes in
5s and the latter in 25s. In the last 60 days, the chrome configuration
has seen runs on the bots ranging from 8 to 60s (hitting the timeout). I
expect marking the test as slow will fix the flakiness on chrome, but
given that it is 5 times slower on FF, I fear it may not be enough to
make the test pass in FF.  Given that it doesn't provide much value to
also have the coverage in FF, I'm inclined to skip it there instead.

Change-Id: Ice25eb401b6af3c6ab8ba3f4b43bf3ce9ee38c83
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/335020
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Commit-Queue: Sigmund Cherem <sigmund@google.com>
This commit is contained in:
Sigmund Cherem 2023-11-08 18:43:51 +00:00 committed by Commit Queue
parent 8ec06bb222
commit 0a0dcce390
1 changed files with 4 additions and 0 deletions
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4
tests/language/language_dartdevc.status
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@ -7,9 +7,13 @@
[ $compiler == ddc ]
async_star/async_star_await_for_test: Skip # evades flake detection https://github.com/dart-lang/sdk/issues/51086
async_star/throw_in_catch_test: Skip # Times out. Issue 29920
closure/cycles_test: Pass, Slow # Long test to pressure GC, periodically times out
external_abstract_fields/external_fields_test: SkipByDesign # Non-JS-interop external members are not supported
inference_update_2/external_field_test: SkipByDesign # Non-JS-interop external members are not supported
inference_update_2/why_not_promoted_external_error_test: SkipByDesign # Non-JS-interop external members are not supported
number/int64_literal_runtime*_test: Skip # This is testing Dart 2.0 int64 semantics.
superinterface_variance/*: Skip # Issue dart-lang/language#113
vm/*: SkipByDesign # VM only tests.; VM only tests.
[ $compiler == ddc && $runtime == ff ]
closure/cycles_test: SkipByDesign # Long test to pressure GC, consistently slow and times out on FF