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Test Info:
const PAGE = "data:text/html,page";
async function test_on_browser(browser) {
ok(!browser.audioMuted, "Audio should not be muted by default");
browser.mute();
ok(browser.audioMuted, "Audio should be muted now");
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: PAGE,
},
test_on_browser2
);
browser.unmute();
ok(!browser.audioMuted, "Audio should be unmuted now");
}
function test_on_browser2(browser) {
ok(!browser.audioMuted, "Audio should not be muted by default");
}
add_task(async function () {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: PAGE,
},
test_on_browser
);
});