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

Issue #3386458 by catch, quietone, alexpott, larowlan: Add GenericModuleTestBase and use it to test general module things

Issue #3275557 by andypost, catch, heddn: Add webp image conversion to core's install profile's image style

Revert "Issue #3306554 by andypost, mondrake: InvocationMocker::withConsecutive() is deprecated in PHPUnit 9.6 and removed from PHPUnit 10 - easy replacements"

This reverts commit 24009901.

Issue #3306554 by andypost, mondrake: InvocationMocker::withConsecutive() is deprecated in PHPUnit 9.6 and removed from PHPUnit 10 - easy replacements

Issue #2937515 by Spokje, quietone, idebr, longwave, SherFengChong, anweshasinha, borisson_, mfernea, xjm, bbrala, daffie, Berdir: Fix Drupal.Array.Array.[ArrayClosingIndentation, ArrayIndentation] coding standard

Issue #3238257 by hooroomoo, Wim Leers: Fragment link pointing to <textarea> should be redirected to CKEditor 5 instance when CKEditor 5 replaced that textarea

Issue #3228634 by Spokje, xjm, paulocs, tim.plunkett, Lendude: Move tests for integrations between QuickEdit and other modules into QuickEdit so that it can more easily be moved into contrib

Revert "Issue #3228634 by Spokje, xjm, paulocs, tim.plunkett, Lendude: Move tests for integrations between QuickEdit and other modules into QuickEdit so that it can more easily be moved into contrib"

This reverts commit e4ce9936.

Issue #3228634 by Spokje, xjm, paulocs, tim.plunkett, Lendude: Move tests for integrations between QuickEdit and other modules into QuickEdit so that it can more easily be moved into contrib

Issue #3217717 by longwave, mondrake, tim.plunkett, xjm: Replace usages of the at() matcher, which is deprecated

This reverts commit febe06ca.

Issue #3132745 by jungle, longwave, xjm, swatichouhan012, daffie: Fix Drupal.Array.Array.LongLineDeclaration coding standard for instances of the $modules test property

Issue #2822382 by voleger, pfrenssen, erozqba, jungle, RytoEX, borisson_, jofitz, shashikant_chauhan, sidharthap, dawehner, xjm, kiamlaluno, catch, daffie, klausi: Make every $modules property protected on classes extending BrowserTestBase and KernelTestBase

Issue #3107732 by mondrake, longwave, swatichouhan012, salah1, xjm, catch, alexpott, Berdir: Between April 13 and April 17, 2020: Add return typehints to setUp/tearDown methods in concrete test classes

Issue #3082655 by Wim Leers, alexpott, iyyappan.govind, dww, lauriii: Specify the $defaultTheme property in all functional tests

Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow, webchick, shaal, Mixologic, heddn: Core extensions should not need to specify the new core_version_requirement in *.info.yml files so that 9.0.x can be installed

Issue #3073318 by Spokje, Mile23, mondrake: Remove usages of \PHPUnit_Framework_MockObject_MockObject

Issue #2920571 by dev.patrick, Lendude, Xtal, chanderbhushan: Inline form errors Deprecated link function

Revert "Issue #2822382 by voleger, pfrenssen, erozqba, RytoEX, borisson_, sidharthap, Jo Fitzgerald, shashikant_chauhan: Make every  property protected on classes extending BrowserTestBase and KernelTestBase"

This reverts commit 69501f30.

Issue #2822382 by voleger, pfrenssen, erozqba, RytoEX, borisson_, sidharthap, Jo Fitzgerald, shashikant_chauhan: Make every  property protected on classes extending BrowserTestBase and KernelTestBase

Issue #2942900 by Mixologic, vaplas, jibran, dawehner, Lendude, martin107, alexpott, tedbow, tacituseu, tstoeckler, heddn: Convert JavascriptTestBase Tests to use DrupalSelenium2Driver

Revert "Issue #2942900 by Mixologic, vaplas, jibran, Lendude, martin107, alexpott, dawehner, tedbow, tacituseu, tstoeckler, heddn: Convert JavascriptTestBase Tests to use DrupalSelenium2Driver"

This reverts commit f55d9746.

Issue #2942900 by Mixologic, vaplas, jibran, Lendude, martin107, alexpott, dawehner, tedbow, tacituseu, tstoeckler, heddn: Convert JavascriptTestBase Tests to use DrupalSelenium2Driver

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2856950 by dmsmidt, marcvangend, tim.plunkett, andrewmacpherson, Lendude, tameeshb, Berdir, xjm, tedbow, Gábor Hojtsy, Sutharsan: Add a possibility to disable inline form errors for a complete form