> > I have my favorite set of JVM languages. Java in /main and Groovy in /test are the best-performing duo for me. [...] we decided to give Kotlin a try. > Th

> > I have my favorite set of JVM languages. Java in /main and Groovy in /test are the best-performing duo for me. [...] we decided to give Kotlin a try. > The opening lines set the tone for the article He also wrote: > we decided to stick with Groovy in /test (Spek isn’t as good as Spock). If they were going to switch from the legacy language for /main code (i.e. from Java to Kotlin), why didn't they also switch from the legacy language for /test code too (i.e. from Apache Groovy to Kotlin) instead of dismissing it with "Spek isn't as good as Spock". And if they use Gradle, why not switch from Groovy to Kotlin for build scripts also.