Don't use default exports.

src/bootstrap/__tests__/Select.test.js

@@ -5,23 +5,23 @@
  * See /LICENSE for more information.
  */
 
-import React from 'react';
+import React from "react";
 
-import {fireEvent, getByDisplayValue, getByText, render} from 'customTestRender';
+import { fireEvent, getByDisplayValue, getByText, render } from "customTestRender";
 
-import Select from '../Select';
+import { Select } from "../Select";
 
 const TEST_CHOICES = {
-    '1': 'one',
-    '2': 'two',
-    '3': 'three',
+    "1": "one",
+    "2": "two",
+    "3": "three",
 };
 
-describe('<Select/>', () => {
+describe("<Select/>", () => {
     var selectContainer;
     const onChangeHandler = jest.fn();
     beforeEach(() => {
-        const {container} = render(
+        const { container } = render(
             <Select
                 label='Test label'
                 value='1'
@@ -34,18 +34,22 @@ describe('<Select/>', () => {
         selectContainer = container;
     });
 
-    it('Test with snapshot.', () => {
-        expect(selectContainer).toMatchSnapshot();
+    it("Test with snapshot.", () => {
+        expect(selectContainer)
+            .toMatchSnapshot();
     });
 
-    it('Test onChange handling.', () => {
-        const select = getByDisplayValue(selectContainer, 'one');
-        expect(select.value).toBe('1');
-        fireEvent.change(select, {target: {value: '2'}});
+    it("Test onChange handling.", () => {
+        const select = getByDisplayValue(selectContainer, "one");
+        expect(select.value)
+            .toBe("1");
+        fireEvent.change(select, { target: { value: "2" } });
 
-        const option = getByText(selectContainer, 'two');
-        expect(onChangeHandler).toBeCalled();
+        const option = getByText(selectContainer, "two");
+        expect(onChangeHandler)
+            .toBeCalled();
 
-        expect(option.value).toBe('2');
-    })
+        expect(option.value)
+            .toBe("2");
+    });
 });