// Import this in order to use `do_tests()`. Services.scriptloader.loadSubScript( "chrome://mochitests/content/browser/dom/ipc/tests/browser_wpi_base.js", this ); add_task(async function test_isolate_nothing() { await SpecialPowers.pushPrefEnv({ set: [ ["browser.tabs.remote.separatedMozillaDomains", "mozilla.org"], [ "fission.webContentIsolationStrategy", WebContentIsolationStrategy.IsolateNothing, ], ], }); await do_tests({ com_normal: "web", org_normal: "web", moz_normal: "privilegedmozilla", com_high: "web", com_coop_coep: "webCOOP+COEP=https://example.com", org_coop_coep: "webCOOP+COEP=https://example.org", moz_coop_coep: "privilegedmozilla", }); });