restore Button.test.tsx

packages/components/Button/src/Button.test.tsx

@@ -1,8 +1,8 @@
-import * as React from 'react';
-import { Button } from './Button';
-import * as renderer from 'react-test-renderer';
-
-it('Button default', () => {
-  const tree = renderer.create(<Button content="Default Button" />).toJSON();
-  expect(tree).toMatchSnapshot();
-});
+import * as React from 'react';
+import { Button } from './Button';
+import * as renderer from 'react-test-renderer';
+
+it('Button default', () => {
+  const tree = renderer.create(<Button content="Default Button" />).toJSON();
+  expect(tree).toMatchSnapshot();
+});