Issue #3041081 by claudiu.cristea, Manuel Garcia, alexpott: Convert ConfigEntityImportTest to a kernel test

This reverts commit 1eabc0b8.

Issue #2031183 by Berdir, marthinal, martin107, Krzysztof Domański, Cyberwolf, tim.plunkett, jhedstrom, tassoman, jhodgdon, Kristen Pol: Improve test coverage for node authored on widget

Issue #2705205 by amateescu, plach, tstoeckler: Improve test coverage around updating table mapping after a new field storage definition is added

Issue #3041779 by claudiu.cristea, Lendude: Convert LatestTranslationAffectedRevisionTest into a kernel test

Issue #3042540 by claudiu.cristea, Lendude: Convert user RelationshipRepresentativeNodeTest into a kernel test

Issue #3042472 by claudiu.cristea, phenaproxima, Lendude: Convert HandlerArgumentUserUidTest into a kernel test and clean up the surrounding code

Issue #3041042 by Krzysztof Domański, claudiu.cristea, Berdir, Lendude, phenaproxima: Convert UserEntityCallbacksTest to a kernel test

Issue #3041727 by Manuel Garcia, claudiu.cristea, amateescu: Convert ViewRenderTest into a Kernel test

Issue #3031528 by mr.baileys, heddn, mikelutz, alexpott: LinkUri source value should not be an array

Issue #3037042 by claudiu.cristea, Lendude: Convert LocaleUpdateTest::testUpdateProjects() to a kernel test

Issue #3034015 by mondrake, Wim Leers, Mile23: Class to test deprecation error for deprecated trait triggers deprecation error itself

Issue #2943657 by pawandubey, Shiva Srikanth T, markconroy, ckrina, alexpott, finnsky, vadim.hirbu, Utkarsh_Mishra, ressa, lauriii, kjay, borisson_: Embedding only needed weights for Open Sans and Scope One

Issue #3035325 by pawandubey, blackdeer, mradcliffe, andrewmacpherson, mgifford, Adita, redzeuf: Image ALT text in Supermarket Savvy Shopping article isn't very informative

Issue #3036193 by bircher, mpotter, larowlan, alexpott: Add ExportStorage to allow config export in third party tools

Issue #3027614 by markconroy, BrightBold, tatarbj, shaal, Denes.Szabo, Gábor Hojtsy, Eli-T, tim.plunkett: Use Layout Builder in Umami for the recipe content type in full view mode

Issue #3039287 by bendeguz.csirmaz, effulgentsia, xjm, alexpott, catch, jibran, hampercm, tedbow, Joseph Zhao, dawehner: Implement changes required to remove support for PHP 5.5 and 5.6