Add a dependency to vertx-web-client test scoped

Author: vietj

vertx-web/pom.xml

@@ -83,6 +83,11 @@
     </dependency>
 
     <!-- Testing -->
+    <dependency>
+      <groupId>io.vertx</groupId>
+      <artifactId>vertx-web-client</artifactId>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.junit.vintage</groupId>
       <artifactId>junit-vintage-engine</artifactId>