add TableBody tests

src/components/TableBody/TableBody.spec.js

@@ -0,0 +1,28 @@
+import React from 'react';
+
+import { renderWithTheme } from '../../../test/utils';
+
+import TableBody from './TableBody';
+
+describe('<TableBody />', () => {
+  it('renders TableBody', () => {
+    const { container } = renderWithTheme(<TableBody />);
+    const list = container.firstChild;
+
+    expect(list).toBeInTheDocument();
+  });
+  it('renders tbody element', () => {
+    const { container } = renderWithTheme(<TableBody />);
+
+    expect(container.querySelector('tbody')).toBeInTheDocument();
+  });
+  it('renders children', () => {
+    const textContent = 'Hi there!';
+    const { getByText } = renderWithTheme(
+      <TableBody>
+        <span>{textContent}</span>
+      </TableBody>
+    );
+    expect(getByText(textContent)).toBeInTheDocument();
+  });
+});