Updated test (#50041)

.betterer.results

@@ -77,9 +77,6 @@ exports[`no enzyme tests`] = {
     "packages/jaeger-ui-components/src/TraceTimelineViewer/SpanTreeOffset.test.js:174536706": [
       [14, 19, 13, "RegExp match", "2409514259"]
     ],
-    "packages/jaeger-ui-components/src/TraceTimelineViewer/Ticks.test.js:743308415": [
-      [14, 19, 13, "RegExp match", "2409514259"]
-    ],
     "packages/jaeger-ui-components/src/TraceTimelineViewer/TimelineHeaderRow/TimelineCollapser.test.js:4018342820": [
       [14, 19, 13, "RegExp match", "2409514259"]
     ],

packages/jaeger-ui-components/src/TraceTimelineViewer/Ticks.test.js

@@ -12,14 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { shallow } from 'enzyme';
+import { render } from '@testing-library/react';
 import React from 'react';
 
 import Ticks from './Ticks';
 
 describe('<Ticks>', () => {
   it('renders without exploding', () => {
-    const wrapper = shallow(<Ticks endTime={200} numTicks={5} showLabels startTime={100} />);
+    expect(() => render(<Ticks endTime={200} numTicks={5} showLabels startTime={100} />)).not.toThrow();
-    expect(wrapper).toBeDefined();
   });
 });