assert classElement != null
        new HtmlTestResultsFixture.AggregateDetails(classElement)
    }

    HtmlTestResultsFixture.TestDetails testDetails(String testName) {
        def testElement = findTestDetails(testName)
        assert testElement != null
        new HtmlTestResultsFixture.TestDetails(testElement)
    }

    List<HtmlTestResultsFixture.TestDetails> allTestDetails(String testName) {

                    failure("something failed", "this is the failure\nat someClass")
                }
            }
        }
    }

    def results(TestFile file) {
        return new HtmlTestResultsFixture(file)
    }

    def emptyResultSet() {
        _ * testResultProvider.visitClasses(_)
    }