new BuildTestFixture(projectDir).withBuildInRootDir().singleProjectBuild(projectName, cl)
    }

    TestFile multiProjectBuildInSubFolder(String projectName, List<String> subprojects, @DelegatesTo(BuildTestFile) Closure cl = {}) {
        new BuildTestFixture(projectDir).withBuildInSubDir().multiProjectBuild(projectName, subprojects, cl)
    }