model, (Path) null, createModelBuildingRequest(context), collector));

        assertEquals(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE, e.getMessage());
    }

    @Test
    public void testEnvars() throws Exception {
        context.put("env.HOME", "/path/to/home");

        Map<String, String> modelProperties = new HashMap<>();
        modelProperties.put("outputDirectory", "${env.HOME}");