public static Description describeIteration(IterationInfo iteration, SpecInfo spec) {
    return Description.createTestDescription(
      spec.getReflection(),
      iteration.getDisplayName(),
      iteration.getFeature().getFeatureMethod().getAnnotations());
  }
Generates and attaches JUnit Description's to a SpecInfo's nodes.

@author Peter Niederwieser
spock-junit4/src/main/java/org/spockframework/junit4/JUnitDescriptionGenerator.java