and:
        def pageErrors = []
        def activeGroup = selectInnerTextOf(
            configurationCacheReport,
            "div.group-selector.group-selector--active",
            { pageErrors.add(it) }
        )
        pageErrors == []
        activeGroup == "Problems grouped by message1"
    }

    private String selectInnerTextOf(File configurationCacheReport, String selector, Consumer<String> onPageError) {