Add jest tests for twenty-front (#2983)

* Add jest tests for twenty-front

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Fix tests

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/hooks/__tests__/useCombinedRefs.test.ts

@@ -0,0 +1,23 @@
+import React from 'react';
+import { renderHook } from '@testing-library/react';
+
+import { useCombinedRefs } from '~/hooks/useCombinedRefs';
+
+describe('useCombinedRefs', () => {
+  it('should combine refs', () => {
+    const { result } = renderHook(() => {
+      const ref1 = React.useRef<string>(null);
+      const ref2 = React.useRef<string>(null);
+      const refCallback = useCombinedRefs(ref1, ref2);
+
+      React.useEffect(() => {
+        refCallback('test');
+      }, [refCallback]);
+
+      return [ref1, ref2];
+    });
+
+    expect(result.current[0].current).toBe('test');
+    expect(result.current[1].current).toBe('test');
+  });
+});