Fixed JUnit 5 dependency declaration in httpclient5-testing

Author: ok2c

httpclient5-testing/pom.xml

@@ -85,7 +85,7 @@
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
-      <artifactId>junit-jupiter-params</artifactId>
+      <artifactId>junit-jupiter</artifactId>
       <scope>test</scope>
     </dependency>
     <dependency>