@Test
    public void testCreateObjectNode() {
        ObjectNode node = Mockito.mock(ObjectNode.class);
        Mockito.when(this.objectMapper.createObjectNode()).thenReturn(node);

        Assertions.assertSame(node, this.instance.createObjectNode());
    }
Test for the {@link SchemaGeneratorConfigImpl} class.
jsonschema-generator/src/test/java/com/github/victools/jsonschema/generator/impl/SchemaGeneratorConfigImplTest.java