fix: fixed tslint validation error

public/app/core/specs/ColorPalette.jest.tsx

@@ -4,7 +4,7 @@ import { ColorPalette } from '../components/colorpicker/ColorPalette';
 
 describe('CollorPalette', () => {
   it('renders correctly', () => {
-    const tree = renderer.create(<ColorPalette color="#EAB839" />).toJSON();
+    const tree = renderer.create(<ColorPalette color="#EAB839" onColorSelect={jest.fn()} />).toJSON();
     expect(tree).toMatchSnapshot();
   });
 });