private final Map<String, String> systemProperties = new HashMap<String, String>();

    static TestVariant tapiCurrent(UniqueId rootId, EngineDiscoveryRequest discoveryRequest) {
        TestVariant testVariant = new TestVariant(rootId, "tapiCurrent", new ToolingApiCurrentDiscoveryRequest(discoveryRequest));
        testVariant.systemProperties.put(VERSIONS_SYSPROP_NAME, CoverageContext.DEFAULT.selector);