YourTest.java

class YourTest extends TestVerticle {
  // usual start(), etc.
  private void afterPostActionDo(Handler<HttpClient> nextFn) {
    final HttpClient client = vertx.createHttpClient().setHost("localhost").setPort(8080).setKeepAlive(false);
    HttpClientRequest req = httpClient.post("/someapi", new Handler<HttpClientResponse>() {
      public void handle(HttpClientResponse postResp) {
        // do something with postResp
        postResp.bodyHandler(new Handler<Buffer>() {
          public void handle(Buffer body) {
            // check body
            // let someone else do something with it
            nextFn(client);
          }
        });
      }
    });
    // fill your req stuff and .end() it
  }

  @Test
  public void testGet() {
    afterPostActionDo(new Handler<HttpClient>() {
      public void handle(HttpClient client) {
        client.getNow("/someapi/", new Handler<HttpClientResponse>() {
          public void handle(HttpClientResponse getResp) {
            getResp.bodyHandler(new Handler<Buffer>() {
              public void handle(Buffer body) {
                //do something
                testComplete();
              }
            });
          }
        });
      }
    }
  }

  @Test
  public void testPut() { /* similar to testGet */ }
  // more tests
}

YourTest.scala

class YourTest extends TestVerticle {
  // usual start(), etc.
  private def afterPostActionDo(nextFn: HttpClient => Unit): Unit = {
    val client = vertx.createHttpClient().setHost("localhost").setPort(8080).setKeepAlive(false)
    val req = httpClient.post("/someapi", { postResp =>
      // do something with postResp
      postResp.bodyHandler({ body =>
        // check body
        // let someone else do something with it
        nextFn(client);
      })
    })
    // fill your req stuff and .end() it
  }

  @Test
  def testGet(): Unit = afterPostActionDo({client =>
    client.getNow("/someapi/", { getResp =>
      getResp.bodyHandler({ body =>
        //do something
        testComplete()
      })
    })
  })

  @Test
  def testPut(): Unit = { /* similar to testGet */ }
  // more tests
}