Disable deprecationLog messages in tests by default. (#5021)

Author: simast

src/utils/deprecationLog.spec.js

@@ -2,6 +2,8 @@ import deprecationLog from './deprecationLog';
 
 const cachedConsoleWarn = global.console.warn;
 
+jest.unmock('./deprecationLog');
+
 describe('deprecationLog', () => {
   beforeEach(() => {
     global.console.warn = jest.fn();

test/jest-setup.js

@@ -1,6 +1,8 @@
 import Enzyme from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
 
+jest.mock('../src/utils/deprecationLog');
+
 Enzyme.configure({ adapter: new Adapter() });
 
 // Prevent `eyes.it` to initialize itself