Re-enable LineAreaBarRenderer-bar tooltip tests

frontend/test/metabase/visualizations/components/LineAreaBarRenderer-bar.unit.spec.js

@@ -36,7 +36,7 @@ describe("LineAreaBarRenderer-bar", () => {
   ["area", "bar"].forEach(chartType =>
     ["stacked", "normalized"].forEach(stack_type =>
       // FIXME: failing on CI
-      xit(`should render a ${stack_type ||
+      it(`should render a ${stack_type ||
         ""} ${chartType} chart with 2 series`, () => {
         const onHoverChange = jest.fn();
         renderLineAreaBar(