avoid single vs. double quotes platform issues

spring-batch-infrastructure/src/test/java/MultiResourceItemWriterXmlTests.java

@@ -24,7 +24,7 @@ import org.springframework.xml.transform.StaxResult;
  */
 public class MultiResourceItemWriterXmlTests extends AbstractMultiResourceItemWriterTests {
 
-	final private String xmlDocStart = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><root>";
+	final private String xmlDocStart = "<root>";
 
 	final private String xmlDocEnd = "</root>";
 
@@ -66,6 +66,13 @@ public class MultiResourceItemWriterXmlTests extends AbstractMultiResourceItemWr
 		}
 	}
 
+	@Override
+	protected String readFile(File f) throws Exception {
+		String content = super.readFile(f);
+		//skip the <?xml ... ?> header to avoid platform issues with single vs. double quotes
+		return content.substring(content.indexOf("?>") + 2);
+	}
+
 	@Test
 	public void multiResourceWritingWithRestart() throws Exception {
 
@@ -80,11 +87,11 @@ public class MultiResourceItemWriterXmlTests extends AbstractMultiResourceItemWr
 
 		tested.update(executionContext);
 		tested.close(executionContext);
-		
+
 		assertEquals(xmlDocStart + "<prefix:4></prefix:4>" + xmlDocEnd, readFile(part2));
 		assertEquals(xmlDocStart + "<prefix:1></prefix:1><prefix:2></prefix:2><prefix:3></prefix:3>" + xmlDocEnd,
 				readFile(part1));
-		
+
 		tested.open(executionContext);
 
 		tested.write(Arrays.asList("5"));
@@ -100,4 +107,5 @@ public class MultiResourceItemWriterXmlTests extends AbstractMultiResourceItemWr
 				+ "<prefix:6></prefix:6><prefix:7></prefix:7><prefix:8></prefix:8><prefix:9></prefix:9>" + xmlDocEnd,
 				readFile(part3));
 	}
+
 }