Move shlink-web-component tests to their own folder

shlink-web-component/test/visits/charts/ChartCard.test.tsx

@@ -0,0 +1,22 @@
+import { render, screen } from '@testing-library/react';
+import type { ReactNode } from 'react';
+import { ChartCard } from '../../../src/visits/charts/ChartCard';
+
+describe('<ChartCard />', () => {
+  const setUp = (title: Function | string = '', footer?: ReactNode) => render(
+    <ChartCard title={title} footer={footer} />,
+  );
+
+  it.each([
+    ['the title', 'the title'],
+    [() => 'the title from func', 'the title from func'],
+  ])('properly renders title by parsing provided value', (title, expectedTitle) => {
+    setUp(title);
+    expect(screen.getByText(expectedTitle)).toBeInTheDocument();
+  });
+
+  it('renders footer only when provided', () => {
+    setUp('', 'the footer');
+    expect(screen.getByText('the footer')).toBeInTheDocument();
+  });
+});