List<ExecutionResult> results = []

    void turnOnDebug() {
        executer.startBuildProcessInDebugger(true)
        buildTimeout *= 100
    }

    def cleanup() {
        stopGradle()
        if (OperatingSystem.current().isWindows()) {
            // needs delay to release file handles
            sleep(500L)
        }
    }

    def setup() {

        succeeds("test")

        when:
        update(file("src/test/java/org/gradle/OtherTest.java"), file("src/test/java/org/gradle/OtherTest.java").text.replace("Assert.fail();", ""))
        waitForBuild()
        stopGradle()
        afterBuild()

        then: "test build operations are emitted in expected hierarchy"
        def testRootOperations = operations.all(ExecuteTestBuildOperationType) {

        when:
        pluginSource.text = pluginSource.text.replace("Hello", "Goodbye")
        then:
        buildTriggeredAndSucceeded()
        outputContains("Goodbye World")

        cleanup:
        stopGradle()
    }

    def "will rebuild on change for build included into a multi-project build"() {
        def includedLibrary = singleProjectBuild("library") {
            buildFile << """