Minor test cleanup

Author: cowtowncoder

datatypes/src/test/java/com/fasterxml/jackson/datatype/jdk8/ModuleTestBase.java

@@ -5,6 +5,7 @@
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.cfg.MapperConfig;
+import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
 
 public abstract class ModuleTestBase extends junit.framework.TestCase
@@ -27,9 +28,12 @@ public Validity validateBaseType(MapperConfig<?> config, JavaType baseType) {
      */
 
     static ObjectMapper mapperWithModule() {
-        ObjectMapper mapper = new ObjectMapper();
-        mapper.registerModule(new Jdk8Module());
-        return mapper;
+        return mapperBuilderWithModule().build();
+    }
+
+    static JsonMapper.Builder mapperBuilderWithModule() {
+        return JsonMapper.builder()
+                .addModule(new Jdk8Module());
     }
 
     @SuppressWarnings("deprecation")

datatypes/src/test/java/com/fasterxml/jackson/datatype/jdk8/OptionalNumbersTest.java

@@ -42,7 +42,9 @@ static class OptionalDoubleBean {
     }
 
     private ObjectMapper MAPPER = mapperWithModule();
-    private ObjectMapper MAPPER_WITHOUT_COERCION = MAPPER.copy().disable(MapperFeature.ALLOW_COERCION_OF_SCALARS);
+    private ObjectMapper MAPPER_WITHOUT_COERCION = mapperBuilderWithModule()
+            .disable(MapperFeature.ALLOW_COERCION_OF_SCALARS)
+            .build();
 
     /*
     /**********************************************************

datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/JavaTimeFeature.java

@@ -17,7 +17,8 @@ public enum JavaTimeFeature implements JacksonFeature
      * Default setting is enabled, for backwards-compatibility with
      * Jackson 2.15.
      */
-    NORMALIZE_DESERIALIZED_ZONE_ID(true);
+    NORMALIZE_DESERIALIZED_ZONE_ID(true)
+    ;
 
     /**
      * Whether feature is enabled or disabled by default.