A failing test case for extended properties in build -> dependencies section of gradle.

build.gradle

apply plugin: 'groovy'
ext { groovyVersion = "1.8.9" }

println "Using Groovy ${project.groovyVersion}"

buildscript {
    repositories { mavenCentral() }
    dependencies {
        //classpath "org.codehaus.groovy:groovy-all:${groovyVersion}"
    }   
}
repositories { mavenCentral() }
dependencies {
    compile "org.codehaus.groovy:groovy-all:${groovyVersion}"
    testCompile 'junit:junit:4.11'
    testCompile "org.codehaus.groovy:groovy:${groovyVersion}"
}
//http://www.gradle.org/docs/current/userguide/gradle_wrapper.html
//generate gradlew with: gradle wrapper
task wrapper(type: Wrapper) {
    gradleVersion = '2.2.1'
}