diff --git a/cbor/src/test/java/tools/jackson/dataformat/cbor/mapper/BiggerDataTest.java b/cbor/src/test/java/tools/jackson/dataformat/cbor/mapper/BiggerDataTest.java
index 6273a759b..24f1a2dc9 100644
--- a/cbor/src/test/java/tools/jackson/dataformat/cbor/mapper/BiggerDataTest.java
+++ b/cbor/src/test/java/tools/jackson/dataformat/cbor/mapper/BiggerDataTest.java
@@ -3,6 +3,7 @@
 import java.util.*;
 
 import tools.jackson.databind.*;
+import tools.jackson.databind.json.JsonMapper;
 import tools.jackson.dataformat.cbor.CBORTestBase;
 import tools.jackson.dataformat.cbor.CBORWriteFeature;
 import tools.jackson.dataformat.cbor.databind.CBORMapper;
@@ -80,9 +81,13 @@ static class Area {
     /**********************************************************
      */
 
+	private final ObjectMapper MAPPER = JsonMapper.builder()
+			.disable(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES)
+			.build();
+
     public void testReading() throws Exception
 	{
-		Citm citm0 = jsonMapper().readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
+		Citm citm0 = MAPPER.readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
 				Citm.class);
 
 		ObjectMapper mapper = cborMapper();
@@ -112,7 +117,7 @@ public void testReading() throws Exception
 
 	public void testRoundTrip() throws Exception
 	{
-		Citm citm0 = jsonMapper().readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
+		Citm citm0 = MAPPER.readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
 				Citm.class);
 		ObjectMapper mapper = cborMapper();
 		byte[] cbor = mapper.writeValueAsBytes(citm0);
@@ -140,7 +145,7 @@ public void testRoundTrip() throws Exception
 
 	public void testRoundTripStringref() throws Exception
 	{
-		Citm citm0 = jsonMapper().readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
+		Citm citm0 = MAPPER.readValue(getClass().getResourceAsStream("/data/citm_catalog.json"),
 				Citm.class);
 		ObjectMapper mapper = new CBORMapper(
 		    cborFactoryBuilder().enable(CBORWriteFeature.STRINGREF).build());
diff --git a/smile/src/test/java/tools/jackson/dataformat/smile/mapper/BiggerDataParseTest.java b/smile/src/test/java/tools/jackson/dataformat/smile/mapper/BiggerDataParseTest.java
index a16249254..c1bb31ad1 100644
--- a/smile/src/test/java/tools/jackson/dataformat/smile/mapper/BiggerDataParseTest.java
+++ b/smile/src/test/java/tools/jackson/dataformat/smile/mapper/BiggerDataParseTest.java
@@ -80,7 +80,9 @@ static class Area {
     /**********************************************************
      */
 
-    private final ObjectMapper JSON_MAPPER = new JsonMapper();
+    private final ObjectMapper JSON_MAPPER = JsonMapper.builder()
+			.disable(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES)
+			.build();
 
     public void testReading() throws Exception
     {