assert outputFile.text == "This is the text"
            assert outputDir.allDescendants().containsAll('subDir/inputFile1.txt', 'subDir/inputFile2.txt')
        }

        File getOverlappingOutputFile() {
            file("${getOverlappingOutputDir()}/new-output.txt")
        }

        void overlappingOutputsAreStillPresent() {
            assert overlappingOutputFile.text == "new output"
        }