DEVX-796: changing setSerializationInclusion to changeDefaultPropertyInclusion due to ObjectMapper immutabily in jackson 3

Author: ShipilA

commercetools/commercetools-sdk-java-importapi/src/integrationTest/java/com/commercetools/importapi/ImportSerializerTest.java

@@ -7,18 +7,22 @@
 import com.commercetools.importapi.models.importrequests.ProductVariantPatchRequestBuilder;
 import com.fasterxml.jackson.annotation.JsonInclude;
 
+
 import io.vrap.rmf.base.client.ResponseSerializer;
 import io.vrap.rmf.base.client.utils.json.JsonUtils;
 
 import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import tools.jackson.databind.ObjectMapper;
+import tools.jackson.databind.json.JsonMapper;
 
 public class ImportSerializerTest {
     @Test
     public void importSerializer() {
-        ObjectMapper mapper = JsonUtils.createObjectMapper().setDefaultPropertyInclusion(JsonInclude.Include.ALWAYS);
+        ObjectMapper mapper = JsonMapper.builder()
+                .changeDefaultPropertyInclusion(incl -> incl.withValueInclusion(JsonInclude.Include.ALWAYS))
+                .build();
 
         ProjectApiRoot apiRoot = ImportApiRootBuilder.of()
                 .defaultClient("")