Fix names of new default-typing methods

Author: cowtowncoder

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

@@ -197,7 +197,7 @@ public void testSerOptNonEmpty() throws Exception {
 	public void testWithTypingEnabled() throws Exception {
 		final ObjectMapper objectMapper = mapperWithModule();
 		// ENABLE TYPING
-		objectMapper.enableDefaultTyping(new NoCheckSubTypeValidator(),
+		objectMapper.activateDefaultTyping(new NoCheckSubTypeValidator(),
 				        ObjectMapper.DefaultTyping.OBJECT_AND_NON_CONCRETE);
 
 		final OptionalData myData = new OptionalData();

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/deser/DefaultTypingTest.java

@@ -13,7 +13,7 @@ public class DefaultTypingTest extends ModuleTestBase
 {
     private final ObjectMapper TYPING_MAPPER = newMapper();
     {
-        TYPING_MAPPER.enableDefaultTyping(new NoCheckSubTypeValidator());
+        TYPING_MAPPER.activateDefaultTyping(new NoCheckSubTypeValidator());
     }
 
     // for [datatype-jsr310#24]

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/old/PolymorphicTest.java

@@ -13,7 +13,7 @@ public class PolymorphicTest extends ModuleTestBase
 {
     private final ObjectMapper TYPING_MAPPER = newMapper();
     {
-        TYPING_MAPPER.enableDefaultTyping(new NoCheckSubTypeValidator());
+        TYPING_MAPPER.activateDefaultTyping(new NoCheckSubTypeValidator());
     }
 
     // for [datatype-jsr310#24]

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/ser/PeriodSerTest.java

@@ -17,8 +17,6 @@
 package com.fasterxml.jackson.datatype.jsr310.ser;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 
 import java.time.Period;
 import java.time.temporal.TemporalAmount;