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

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 #2983458 by seanB, pguillard, msankhala, marcoscano: Use assertSame() instead of assertEquals() in Media tests

Issue #2976889 by phenaproxima, xjm, chr.fritsch, samuel.mortenson, larowlan, alexpott: Add a trait to create media types in tests and replace MediaFunctionalTestCreateMediaTypeTrait

Revert "Issue #2976889 by phenaproxima, xjm, samuel.mortenson, chr.fritsch: Add a trait to create media types in tests and replace MediaFunctionalTestCreateMediaTypeTrait"

This reverts commit 58d601eb.

Issue #2976889 by phenaproxima, xjm, samuel.mortenson, chr.fritsch: Add a trait to create media types in tests and replace MediaFunctionalTestCreateMediaTypeTrait

Issue #2831944 by chr.fritsch, phenaproxima, alexpott, marcoscano, slashrsm, seanB, robpowell, samuel.mortenson, tstoeckler, Wim Leers, dawehner, martin107, Gábor Hojtsy, aheimlich, tedbow, mtodor, larowlan, idebr, bkosborne, ckrina: Implement media source plugin for remote video via oEmbed

Issue #2831274 by slashrsm, seanB, Wim Leers, chr.fritsch, phenaproxima, naveenvalecha, marcoscano, webflo, Gábor Hojtsy, amateescu, Boobaa, iMiksu, mtodor, effulgentsia, xjm, Berdir, tim.plunkett, dawehner, tkoleary, tstoeckler, tedbow, alexpott, yoroy, catch, Bojhan, andypost, jhedstrom, jibran, aspilicious, boztek, cbr, bigbaldy, alex0412, dagmar, blueminds, ekes, Dave Reid, Sam152, bojanz, pixelmord, jonathanshaw, CTaPByK, webchick, samuel.mortenson, dbt102, dishabhadra, proweb.ua, rakesh.gectcr, rasikap, paranojik, pameeela, neardark, NormySan, Primsi, nicolas.rafaelli, romainj, royal121, vladan.me, vpeltot, woprrr, vilepickle, toni04, scheban, tduong, temkin, tim-e, mbovan, mashermike, felribeiro, giancarlosotelo, hctom, euphoric_mv, eric.duran7@gmail.com, edurenye, eelkeblok, H1ghlander, Jaesin, hkirsman, ja_ca, NickWilde, joachim, joshi.rohit100, marcingy, NerOcrO, Mixologic, jcisio, jfrederick, Lukas von Blarer, Maouna: Bring Media entity module to core as Media module