anchor.diff:  operator, automated testing is always a good idea.
   
   Reactor comes with a few elements dedicated to testing, gathered into their own
  -artifact: `reactor-test`. You can find that project https://github.com/reactor/reactor-addons/tree/master/reactor-test/src[on Github]
  -inside of the _reactor-addons_ repository.
  +artifact: `reactor-test`. You can find that project https://github.com/reactor/reactor-core/tree/master/reactor-test/src[on Github]
  +inside of the _reactor-core repository.
   
   To use it in your tests, add it as a test dependency:
   
  
positive.code: [source,xml]
  ----
  <dependency>
      <groupId>io.projectreactor.addons</groupId>
      <artifactId>reactor-test</artifactId>
      <scope>test</scope>
      <1>
  
negative.code: [source,groovy]
  ----
  dependencies {
     testcompile 'io.projectreactor:reactor-test'
  }
  ----
  
  