feat(disciplinas): tres hebras que confluyen en una estrategia

components/primitives/__tests__/IlustracionConvergencia.test.tsx

@@ -0,0 +1,17 @@
+import { render } from '@testing-library/react';
+import { describe, it, expect } from 'vitest';
+import { IlustracionConvergencia } from '../IlustracionConvergencia';
+
+describe('<IlustracionConvergencia />', () => {
+  it('is decorative: hidden from assistive tech', () => {
+    const { container } = render(<IlustracionConvergencia />);
+    const svg = container.querySelector('svg');
+    expect(svg).toHaveAttribute('aria-hidden', 'true');
+    expect(svg).toHaveAttribute('focusable', 'false');
+  });
+
+  it('draws one strand per discipline plus the strategy they serve', () => {
+    const { container } = render(<IlustracionConvergencia />);
+    expect(container.querySelectorAll('path')).toHaveLength(4);
+  });
+});