10 string references to queue

BatchBuilderTest::testDefaultValues in core/tests/Drupal/Tests/Core/Batch/BatchBuilderTest.php
Tests the default values.
CronQueueTest::setUp in core/modules/system/tests/src/Kernel/System/CronQueueTest.php
CronQueueTest::testDelayException in core/modules/system/tests/src/Kernel/System/CronQueueTest.php
Tests that DelayedRequeueException behaves as expected when running cron.
drupal7.php in core/modules/migrate_drupal/tests/fixtures/drupal7.php
A database agnostic dump for testing purposes.
drupal7.php in core/modules/tracker/tests/fixtures/drupal7.php
A database agnostic dump for testing purposes.
drupal7.php in core/modules/rdf/tests/fixtures/drupal7.php
A database agnostic dump for testing purposes.
drupal7.php in core/modules/aggregator/tests/fixtures/drupal7.php
A database agnostic dump for testing purposes.
drupal7.php in core/modules/color/tests/fixtures/drupal7.php
A database agnostic dump for testing purposes.
DrupalTest::testQueue in core/tests/Drupal/Tests/Core/DrupalTest.php
Tests the queue() method.
system_cron in core/modules/system/system.module
Implements hook_cron().

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