hsearch-elasticsearch-wikipedia: Upgrade to JUnit 5

Author: yrodiere

hibernate-search/hsearch-elasticsearch-wikipedia/src/test/java/org/hibernate/search/demos/wikipedia/HsearchElasticsearchWikipediaApplicationIT.java

@@ -3,18 +3,15 @@
 import static io.restassured.RestAssured.given;
 import static org.skyscreamer.jsonassert.JSONCompare.compareJSON;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Test;
 
 import io.restassured.RestAssured;
 import io.restassured.http.ContentType;
 import org.json.JSONException;
 import org.skyscreamer.jsonassert.JSONCompareMode;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringRunner;
 
-@RunWith(SpringRunner.class)
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
 @ActiveProfiles("test")
 public class HsearchElasticsearchWikipediaApplicationIT {