Testing service with Vert.x 4 Web-Client

I tried to write tests with Vert.x 3 Web-Client. It is callback hell. You can read this post.

Now Vert.x 4 has been released. And it contains methods that return Future. Future can be converted to CompletableFuture. So I can block thread with method get(). It is what I need for my tests.

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