8 string references to lock

CacheCollectorTest::testCacheCollector in core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php
Tests setting and invalidating.
ConfigImporterMissingContentTest::setUp in core/tests/Drupal/KernelTests/Core/Config/ConfigImporterMissingContentTest.php
ConfigImportRecreateTest::setUp in core/tests/Drupal/KernelTests/Core/Config/ConfigImportRecreateTest.php
ConfigTestTrait::configImporter in core/tests/Drupal/Tests/ConfigTestTrait.php
Returns a ConfigImporter object to import test configuration.
ContentEntityNullStorageTest::testDeleteThroughImport in core/tests/Drupal/KernelTests/Core/Entity/ContentEntityNullStorageTest.php
Tests deleting a contact form entity via a configuration import.
DrupalTest::testLock in core/tests/Drupal/Tests/Core/DrupalTest.php
Tests the lock() method.
KernelTestBase::register in core/tests/Drupal/KernelTests/KernelTestBase.php
Registers test-specific services.
NormalInstallerServiceProvider::register in core/lib/Drupal/Core/Installer/NormalInstallerServiceProvider.php
Registers services to the container.

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