factories.put("rare", toolchainFactory_rareType);
        toolchainManager = new DefaultToolchainManagerPrivate(factories, logger);
    }

    @Test
    void testToolchainsForAvailableType() throws Exception {
        // prepare
        MavenSession session = mock(MavenSession.class);
        MavenExecutionRequest req = new DefaultMavenExecutionRequest();