This reverts commit 5a9ce8cf.

Issue #3402713 by mstrelan, smustgrave, dww: Fix strict type errors: miscellaneous fixes in core Kernel tests

Issue #540008 by kristiaanvandeneynde, Spokje, daffie, clayfreeman, alexpott, eelkeblok, michaelfavia, ianthomas_uk, zaporylie, johnwebdev, abhisekmazumdar, anmolgoyal74, greggles, quietone, shaal, catch, rivimey, AaronMcHale, Berdir, ndf, xjm, finne, Wim Leers, esolitos, heddn, webchick, Bojhan, andypost, efpapado, benjifisher, lauriii, Gábor Hojtsy, moshe weitzman, harings_rob: Add a container parameter that can remove the special behavior of UID#1

Issue #3402294 by mstrelan, quietone, dww, smustgrave: Fix strict type errors: Convert FormattableMarkup to strings (complex replacement) in core Kernel tests

Issue #3413949 by andypost, quietone, Spokje, taraskorpach, smustgrave, catch, Wim Leers, DanielVeza: Move some Action plugins to Action module

Revert "Issue #3413949 by andypost, quietone, Spokje, taraskorpach, smustgrave, Wim Leers, DanielVeza: Move some Action plugins to Action module"

This reverts commit 63a2ba06.

Issue #3413949 by andypost, quietone, Spokje, taraskorpach, smustgrave, Wim Leers, DanielVeza: Move some Action plugins to Action module

Issue #3424746 by camille.davis@civicactions.com, mgifford, smustgrave, rkoller: "Local Tasks" behaves as navigation bar but uses "tab" language

Issue #2511308 by dimitriskr, ankithashetty, smustgrave, quietone, Wim Leers: Rename RendererInterface::renderPlain() to ::renderInIsolation()

Issue #2473989 by srishtiiee, narendraR, dawehner, kunal.sachdev, ravi.shankar, lauriii, Peacog, smustgrave, swentel, martin107, Sonal.Sangale, shaal, baikho, amateescu, plach, cpj, Gábor Hojtsy, jhodgdon, quietone, webchick, aspilicious, catch, xjm, alexpott: Lack of dynamic language field / filter makes shipping core views hard to be both compatible with mono and multilingual

Issue #2998875 by quietone, juampynr, benjifisher, smustgrave, alison: Map menu ids like main-menu when migrating node types

Issue #3417362 by kristiaanvandeneynde, smustgrave, quietone: Call refreshVariables() where needed in various tests

Issue #3309104 by Bhanu951, acbramley, mondrake, ravi.shankar, smustgrave, daffie, alexpott, quietone, mstrelan: Replace REQUEST_TIME in Functional and FunctionalJavascript tests

Issue #3112284 by Spokje, Bhanu951, acbramley, mpdonadio, mondrake, quietone, adityasingh, andypost, JeroenT, vladbo, pifagor, daffie, voleger: Replace REQUEST_TIME in Kernel tests

Issue #3353210 by mondrake, PrabuEla, Spokje: [PHPUnit 10] @dataProvider methods must be declared static and public

Issue #2885098 by philipnorton42, gapple, ksbuble, MerryHamster, Suresh Prabhu Parkala, joelpittet, vsujeetkumar, amjad1233, bakulahluwalia, mohit1604: Node RSS Views plugin causes wrong entity_view output to be cached

Issue #3385550 by lauriii, Gauravvvv, sboden, Shabbir, longwave: Language negotiation breaks updating Drupal 9 to 10

Issue #3397490 by quietone, smustgrave, xjm, longwave, poker10: Fix more words that are only misspelled in comments

Issue #2254189 by smustgrave, quietone, anya_m, andregp, sun, joachim: Fix test performance of Drupal\node\Tests\NodeTranslationUITest

Issue #3384936 by marvil07, vbouchet, smustgrave, xjm, joachim: Use the API to set up languages in tests that are not specifically testing the language form

Issue #3402295 by mstrelan, dww, smustgrave: Fix strict type errors in kernel tests: Add casts and fix types where needed

Issue #1349080 by Nephele, freelock, Spokje, quietone, Lendude, agentrickard, tic2000, jofitz, RunePhilosof, manuelBS, AndreyMaximov, aleevas, dmsmidt, ChristianAdamski, ducktape, lokapujya, kalistos, ekes, maximpodorov, jordan.jamous, mgifford, fuerst, daffie, markhalliwell, emorency, thetwentyseven, damiankloip, mohit1604, rensingh99, gilsbert, xjm, andypost, tim.plunkett, Renee S, TwoD, rbruhn, mxr576, MustangGB, alexpott, dawehner, smustgrave, catch, lauriii, larowlan, merlinofchaos, Alan D., TBarina, jhedstrom, neclimdul, pookmish, danflanagan8, Les Lim, cherabomb, Christopher Riley, chx: node_access filters out accessible nodes when node is left joined

Issue #3408326 by benjifisher, omkar.podey, lauriii, srishtiiee: Make field selection a two-step form