OPEN - issue BATCH-349: ItemStreamAdapter isn't an Adapter

http://jira.springframework.org/browse/BATCH-349

Adapter -> Support (unless it was an Adapter)

spring-batch-infrastructure/src/test/java/org/springframework/batch/io/file/FlatFileItemWriterTests.java

@@ -273,6 +273,9 @@ public class FlatFileItemWriterTests extends TestCase {
 
 	public void testDefaultStreamContext() throws Exception {
 		inputSource = new FlatFileItemWriter();
+		inputSource.setResource(new FileSystemResource(outputFile));
+		inputSource.setFieldSetUnmapper(new PassThroughFieldSetMapper());
+		inputSource.afterPropertiesSet();
 		inputSource.open();
 		ExecutionContext streamContext = inputSource.getExecutionContext();
 		assertNotNull(streamContext);