adding tests

src/__tests__/component_test/figure_wrapper.test.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+import { getByRole, render } from '@testing-library/react';
+import '@testing-library/jest-dom/extend-expect';
+
+import FigureWrapper from '../../components/figure_wrapper';
+
+describe('FigureWrapper', () => {
+  it('renders with children and src', () => {
+
+    const children = 'This is the caption text';
+    const src = '';
+
+    const { getByText, getByAltText } = render(
+      <FigureWrapper src={src}>{children}</FigureWrapper>
+    );
+
+    const captionElement = getByText(children);
+
+    expect(captionElement).toBeInTheDocument();
+  });
+});