Suppress warnings about unused stuff that is used reflectively

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/database/IbatisBatchItemWriterTests.java

@@ -47,6 +47,7 @@ public class IbatisBatchItemWriterTests {
 	
 	private String statementId = "updateFoo";
 
+	@SuppressWarnings("unused")
 	private class Foo {
 		private Long id;
 		private String bar;

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/database/JdbcBatchItemWriterNamedParameterTests.java

@@ -40,6 +40,7 @@ public class JdbcBatchItemWriterNamedParameterTests {
 	
 	private String sql = "update foo set bar = :bar where id = :id";
 
+	@SuppressWarnings("unused")
 	private class Foo {
 		private Long id;
 		private String bar;

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/validator/SpringValidatorTests.java

@@ -119,6 +119,7 @@ public class SpringValidatorTests {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static class TestBean {
 		private String foo;
 

spring-batch-infrastructure/src/test/java/org/springframework/batch/repeat/support/ResultHolderResultQueueTests.java

@@ -45,11 +45,6 @@ public class ResultHolderResultQueueTests {
 			this.result = result;
 		}
 
-		public TestResultHolder(Throwable error) {
-			super();
-			this.error = error;
-		}
-
 		public RepeatContext getContext() {
 			return null;
 		}

spring-batch-infrastructure/src/test/java/org/springframework/batch/support/AnnotationMethodResolverTests.java

@@ -60,6 +60,7 @@ public class AnnotationMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SingleAnnotationTestBean {
 
 		@TestAnnotation
@@ -73,6 +74,7 @@ public class AnnotationMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class MultipleAnnotationTestBean {
 
 		@TestAnnotation
@@ -87,6 +89,7 @@ public class AnnotationMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class NoAnnotationTestBean {
 
 		public String upperCase(String s) {

spring-batch-infrastructure/src/test/java/org/springframework/batch/support/DefaultPropertEditorRegistrarTests.java

@@ -70,6 +70,7 @@ public class DefaultPropertEditorRegistrarTests {
 		mapper.setCustomEditors(Collections.singletonMap(new Object(), new CustomNumberEditor(Long.class, true)));
 	}
 
+	@SuppressWarnings("unused")
 	private static class BeanWithIntArray {
 		private int[] numbers;
 

spring-batch-infrastructure/src/test/java/org/springframework/batch/support/SimpleMethodInvokerTests.java

@@ -118,6 +118,7 @@ public class SimpleMethodInvokerTests {
 		assertEquals(methodInvoker, methodInvoker2);
 	}
 	
+	@SuppressWarnings("unused")
 	private class TestClass{
 		
 		boolean beforeCalled = false;