Fix AbstractTaskletStepBuilder

- Move AbstractTaskletStepBuilderTest class and edit copyright location
- Fix AbstractTaskletStepBuilder copy constructor to protected

Author: ilpyoyang

spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilder.java

@@ -80,7 +80,7 @@ public AbstractTaskletStepBuilder(StepBuilderHelper<?> parent) {
 	 * copied, so it can be re-used.
 	 * @param parent a parent helper containing common step properties
 	 */
-	public AbstractTaskletStepBuilder(AbstractTaskletStepBuilder<?> parent) {
+	protected AbstractTaskletStepBuilder(AbstractTaskletStepBuilder<?> parent) {
 		super(parent);
 		this.chunkListeners = parent.chunkListeners;
 		this.stepOperations = parent.stepOperations;

spring-batch-test/src/test/java/org/springframework/batch/test/AbstractTaskletStepBuilderTests.java renamed to spring-batch-core/src/test/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilderTests.java

@@ -1,4 +1,3 @@
-package org.springframework.batch.test;
 /*
  * Copyright 2020-2022 the original author or authors.
  *
@@ -15,6 +14,8 @@
  * limitations under the License.
  */
 
+package org.springframework.batch.core.step.builder;
+
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.mock;
 
@@ -23,25 +24,19 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.batch.core.repository.JobRepository;
-import org.springframework.batch.core.step.builder.AbstractTaskletStepBuilder;
-import org.springframework.batch.core.step.builder.SimpleStepBuilder;
-import org.springframework.batch.core.step.builder.StepBuilderHelper;
 import org.springframework.batch.item.ItemProcessor;
 import org.springframework.batch.item.ItemReader;
 import org.springframework.batch.item.ItemWriter;
-import org.springframework.batch.test.context.SpringBatchTest;
 import org.springframework.core.task.SimpleAsyncTaskExecutor;
 import org.springframework.core.task.TaskExecutor;
-import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
 /**
  * Test cases for verifying the {@link AbstractTaskletStepBuilder} and faultTolerant() functionality.
  *
  * @author Ilpyo Yang
  */
-@SpringBatchTest
-@SpringJUnitConfig
-public class AbstractTaskletStepBuilderTests {
+
+class AbstractTaskletStepBuilderTests {
 	private final JobRepository jobRepository =  mock(JobRepository.class);
 	private final int chunkSize = 10;
 	private final ItemReader itemReader = mock(ItemReader.class);