test: add unit test

(cherry picked from commit 2ef2af4)

components/color-picker/__tests__/index.test.tsx

@@ -225,6 +225,39 @@ describe('ColorPicker', () => {
     expect(handleColorChange).toHaveBeenCalledTimes(2);
   });
 
+  describe('preset collapsed', () => {
+    const recommendedPreset = {
+      label: 'Recommended',
+      colors: ['#f00', '#0f0', '#00f'],
+    };
+
+    const selector = '.ant-color-picker-presets .ant-collapse-item.ant-collapse-item-active';
+
+    it('Should default collapsed work', async () => {
+      const { container } = render(<ColorPicker open presets={[recommendedPreset]} />);
+
+      expect(container.querySelectorAll(selector)).toHaveLength(1);
+    });
+
+    it('Should collapsed work', async () => {
+      const { container } = render(
+        <ColorPicker
+          open
+          presets={[
+            recommendedPreset,
+            {
+              label: 'Recent',
+              colors: ['#f00d', '#0f0d', '#00fd'],
+              collapsed: true,
+            },
+          ]}
+        />,
+      );
+
+      expect(container.querySelectorAll(selector)).toHaveLength(1);
+    });
+  });
+
   it('Should format change work', async () => {
     const { container } = render(<ColorPicker />);
     fireEvent.click(container.querySelector('.ant-color-picker-trigger')!);