Issue #3471246 by jsacksick: Fix the failing tests and fix the D11 compatibility.

composer.json

src/Normalizer/AddressNormalizer.php

src/Normalizer/ShipmentItemNormalizer.php

tests/src/Functional/Cart/TranslationCartAddResourceTest.php

tests/src/Functional/Checkout/CheckoutResourceTest.php

tests/src/Functional/CheckoutApiResourceTestBase.php

tests/src/Kernel/Field/ComputedOrderTotalTest.php

tests/src/Kernel/Field/ComputedResolvedPriceTest.php

tests/src/Kernel/Field/PaymentInstrumentFieldTest.php

tests/src/Kernel/KernelTestBase.php

tests/src/Kernel/Resource/CartAddResourceTest.php

tests/src/Kernel/Resource/CartUpdateItemResourceTest.php

tests/src/Kernel/Resource/Checkout/CheckoutResourceTest.php

...src/Kernel/Resource/Checkout/CheckoutResourceTestBase.php

...el/Resource/Checkout/CheckoutResourceWithShippingTest.php

tests/src/Kernel/Resource/Checkout/PaymentResourceTest.php