Tests are working with coverage

packages/instant/jest.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+    roots: ['<rootDir>/test'],
+    coverageDirectory: 'coverage',
+    transform: {
+        '.*.tsx?$': 'ts-jest',
+    },
+    testRegex: '(/__test__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$',
+    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+    collectCoverageFrom: ['src/**/*.{ts,tsx}', '!src/index.tsx'],
+};

packages/instant/test/components/zero_ex_instant.test.tsx

@@ -0,0 +1,13 @@
+import { configure, shallow } from 'enzyme';
+import * as Adapter from 'enzyme-adapter-react-16';
+import * as React from 'react';
+
+configure({ adapter: new Adapter() });
+
+import { ZeroExInstant } from '../../src';
+
+describe('<ZeroExInstant />', () => {
+    it('shallow renders without crashing', () => {
+        shallow(<ZeroExInstant />);
+    });
+});