anchor.diff:  
       gradlew clean dist
   
  -Note: The gradlew command automatically downloads the correct Gradle version if needed, you do not need to download it first.
  +[NOTE]
  +The gradlew command automatically downloads the correct Gradle version if needed, you do not need to download it first.
   
   This will generate a distribution similar to the zip you can download on the Groovy download page.
   
  
positive.code: 
      gradlew testSinglePowerAssertTest
  
  (Note the omission of package name: class is `semantics.PowerAssertTest` but only `PowerAssertTest` is added to `testSingle`.)
  
  == Continuous Integration Server
  
  
negative.code: you might be able to get away without the `-b wrapper.gradle` above, but if in
  doubt leave it in.
  
  [NOTE]
  At this point, the Gradle wrapper should be set up and from now on you should use
  the `gradlew` command instead of `gradle`. (On Unix-like systems, use `./gradlew`).
  
  == Building from Source
  