style: new toast design closer to SIP-34 (#10178)

superset-frontend/spec/javascripts/dashboard/components/DashboardBuilder_spec.jsx

@@ -22,6 +22,7 @@ import { shallow, mount } from 'enzyme';
 import sinon from 'sinon';
 
 import { ParentSize } from '@vx/responsive';
+import { supersetTheme, ThemeProvider } from '@superset-ui/style';
 import { Sticky, StickyContainer } from 'react-sticky';
 import { TabContainer, TabContent, TabPane } from 'react-bootstrap';
 
@@ -77,6 +78,10 @@ describe('DashboardBuilder', () => {
           <Provider store={store}>
             <WithDragDropContext>{builder}</WithDragDropContext>
           </Provider>,
+          {
+            wrappingComponent: ThemeProvider,
+            wrappingComponentProps: { theme: supersetTheme },
+          },
         )
       : shallow(builder);
   }