StandardPerformanceTest::testLoginBlock Failed asserting that 50 is identical to 49.

Problem/Motivation

Random fail, went away on retest:

    1)
    Drupal\Tests\standard\FunctionalJavascript\StandardPerformanceTest::testLoginBlock
    Failed asserting that 50 is identical to 49.
    
    /builds/issue/drupal-3390360/vendor/phpunit/phpunit/src/Framework/Constraint/Constraint.php:121
    /builds/issue/drupal-3390360/vendor/phpunit/phpunit/src/Framework/Constraint/IsIdentical.php:79
    /builds/issue/drupal-3390360/core/profiles/standard/tests/src/FunctionalJavascript/StandardPerformanceTest.php:139
    /builds/issue/drupal-3390360/vendor/phpunit/phpunit/src/Framework/TestResult.php:728

https://git.drupalcode.org/issue/drupal-3390360/-/jobs/778969#L793

Steps to reproduce

Proposed resolution

Merge request link

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet