@Test
    void testDeriveDocManager() {
        DocumentTypeManager dtm = new DocumentTypeManager(new DocumentmanagerConfig(
                Deriver.getDocumentManagerConfig(List.of(
                        "src/test/derived/deriver/child.sd",
                        "src/test/derived/deriver/parent.sd",
                        "src/test/derived/deriver/grandparent.sd"))));
        assertEquals(dtm.getDocumentType("child").getField("a").getDataType(), DataType.STRING);
    }
Tests deriving using the Deriver facade

@author bratseth
config-model/src/test/java/com/yahoo/schema/derived/DeriverTestCase.java