6 string references to 'Boolean' in Drupal 9

config_test.schema.yml in core/modules/config/tests/config_test/config/schema/config_test.schema.yml

core/modules/config/tests/config_test/config/schema/config_test.schema.yml

core.data_types.schema.yml in core/config/schema/core.data_types.schema.yml

core/config/schema/core.data_types.schema.yml

MigrateFieldInstanceTest::testFieldInstances in core/modules/field/tests/src/Kernel/Migrate/d7/MigrateFieldInstanceTest.php

Tests migrating D7 field instances to field_config entities.

UpdatePathTestBaseFilledTest::testUpdatedSite in core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php

Tests that the content and configuration were properly updated.

views.field.schema.yml in core/modules/views/config/schema/views.field.schema.yml

core/modules/views/config/schema/views.field.schema.yml

views.filter.schema.yml in core/modules/views/config/schema/views.filter.schema.yml

core/modules/views/config/schema/views.filter.schema.yml