inputFile = a.outputFile
    outputFile = file('src.b.txt')
}
// Use a separate build script to avoid invalidating task implementations
apply from: 'changes.gradle'
'''
        def changesFile = file('changes.gradle').createFile()

        TestFile inputFile = file('src.txt')
        TestFile outputFileA = file('src.a.txt')
        TestFile outputFileB = file('src.b.txt')

        when:

    ])
    def "build with #changeType file change"() {
        given:
        runner.tasksToRun = ['build']
        runner.warmUpRuns = 39
        runner.runs = 40

        def changedFile = getFileToChange(changeType)
        def changeClosure = getChangeClosure(changeType)
        runner.addBuildMutator { invocationSettings ->
            new BuildMutator() {
                String originalContent

...
}

    @Unroll('Project #buildSize native build #changeType')
    def "build with changes"(String buildSize, String changeType, Amount<Duration> maxExecutionTimeRegression, String changedFile, Closure changeClosure) {
...
        runner.maxExecutionTimeRegression = maxExecutionTimeRegression
        runner.targetVersions = ['2.14']
        runner.useDaemon = true
...
        where: