Use new React Shallow renderer with hooks support

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/components/views/elements/MemberEventListSummary-test.js

@@ -1,6 +1,7 @@
 import expect from 'expect';
 import React from 'react';
 import ReactTestUtils from 'react-dom/test-utils';
+import ShallowRenderer from "react-test-renderer/shallow";
 import sdk from 'matrix-react-sdk';
 import * as languageHandler from '../../../../src/languageHandler';
 import * as testUtils from '../../../test-utils';