Print Gradle test results to console

build.gradle

/*
Sample output:
> gradle test                                                                                                             ruby-1.9.3-p194 testing_with_gradle 9179829 ✗
...
:test
Results: SUCCESS (84 tests, 74 successes, 0 failures, 10 skipped)
*/

test {
  testLogging {
    afterSuite { desc, result ->
      if (!desc.parent) { // will match the outermost suite
        println "Results: ${result.resultType} (${result.testCount} tests, ${result.successfulTestCount} successes, ${result.failedTestCount} failures, ${result.skippedTestCount} skipped)"
      }
    }
  }
}