build: update karma-sauce-launcher to latest version with heartbeat to prevent idle timeout (#43659)

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Updates the `karma-sauce-launcher` to the latest version that comes with
the heartbeat implemented. Whenever we create an instance of a browser
in Saucelabs, we need to send a Selenium command every X seconds as otherwise
Saucelabs will terminate the session due to it thinking the session is already
unused. This is especially a problem for Karma unit tests as there is no
selenium command at all, except for the initial one loading the Karma site.

The latest version of the launcher has implemented an interval that
dispatches a noop selenium command every X seconds to notify Saucelabs
that the instance is still active.

The current version of the launcher does not do that. This is likely
the source of some disconnects because after 10-13min, the SL browser
is terminated but Karma still waits some minute after realizing the
browser is actually disconnected.

We (the Angular team), contributed to that version in the past since
the heartbeat was very flaky.. and we removed it. With the new version
a lot has changed, the underlying Selenium client has changed so it's
worth trying again with the heartbeat re-implemented; it worked pretty
well so far in the COMP repo).

PR Close #43659

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This commit is contained in:

Paul Gschwendtner

2021-09-30 22:37:22 +02:00

committed by Andrew Scott

parent 4c00e92023

commit 116877b4ed

2 changed files with 1508 additions and 273 deletions

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