expect(received).toBeVisible() received value must be an HTMLElement or an SVGElement. Received has value: null at __EXTERNAL_MATCHER_TRAP__ (node_modules/expect/build/index.js:325:30) at Object.throwingMatcher [as toBeVisible] (node_modules/expect/build/index.js:326:15) at Object.toBeVisible (test/unit-tests/components/views/rooms/memberlist/MemberListHeaderView-test.tsx:84:67)