refactor(app): move react components to react codebase [EE-3179] (#6971)

app/react/components/form-components/FileUpload/FileUploadField.test.tsx

@@ -0,0 +1,28 @@
+import { fireEvent, render } from '@/react-tools/test-utils';
+
+import { FileUploadField } from './FileUploadField';
+
+test('render should make the file button clickable and fire onChange event after click', async () => {
+  const onClick = jest.fn();
+  const { findByText, findByLabelText } = render(
+    <FileUploadField
+      title="test button"
+      onChange={onClick}
+      inputId="file-field"
+    />
+  );
+
+  const button = await findByText('test button');
+  expect(button).toBeVisible();
+
+  const input = await findByLabelText('file-input');
+  expect(input).not.toBeNull();
+
+  const mockFile = new File([], 'file.txt');
+  if (input) {
+    fireEvent.change(input, {
+      target: { files: [mockFile] },
+    });
+  }
+  expect(onClick).toHaveBeenCalledWith(mockFile);
+});