Issue #3421418 by mstrelan, Spokje, xjm, mondrake, longwave, acbramley: Add void return typehints to all test methods

Issue #3240792 by justafish, alexpott, andypost, smustgrave, longwave: Use lullabot/mink-selenium2-driver and lullabot/php-webdriver for functional browser testing

Issue #3032275 by alexpott, dww, bendeguz.csirmaz, tedbow: Create a fault-tolerant method for interacting with links and fields in Javascript tests

Issue #3198400 by mondrake, daffie, alexpott, longwave: Convert assertions involving use of xpath on input tags to WebAssert

Issue #3128905 by jungle, longwave, Kristen Pol, mondrake: Replace assert* involving an instanceof operator with assertInstanceOf()/assertNotInstanceOf()

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 #2892440 by bnjmnm, tedbow, alexpott, Krzysztof Domański, Lendude: Provide helper test method to wait for an element to be removed from the page

Issue #2947517 by Lendude, jibran, alexpott, larowlan: Selenium driver: API to get remote file paths

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 #2775653 by dawehner, droplet, michielnugter, Lendude, jibran, alexpott, Mixologic, klausi, juampynr, cosmicdreams, cspitzlay, justafish, drpal, larowlan, claudiu.cristea, Berdir, Mile23, andypost, xjm, mtodor: JavascriptTests with webDriver

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2837676 by michielnugter, droplet, alexpott, Lendude, jibran, klausi, Wim Leers: Provide a better way to validate all javascript activity is completed