diff --git a/org.springframework.integration.mail/src/test/java/org/springframework/integration/mail/config/ImapIdleChannelAdapterParserTests-context.xml b/org.springframework.integration.mail/src/test/java/org/springframework/integration/mail/config/ImapIdleChannelAdapterParserTests-context.xml
index 3dbba9958f..daa11f3b0a 100644
--- a/org.springframework.integration.mail/src/test/java/org/springframework/integration/mail/config/ImapIdleChannelAdapterParserTests-context.xml
+++ b/org.springframework.integration.mail/src/test/java/org/springframework/integration/mail/config/ImapIdleChannelAdapterParserTests-context.xml
@@ -18,7 +18,8 @@
 	<mail:imap-idle-channel-adapter id="simpleAdapter"
 			store-uri="imap:foo"
 			channel="channel"
-			auto-startup="false"/>
+			auto-startup="false"
+			should-delete-messages="true"/>
 
 	<mail:imap-idle-channel-adapter id="customAdapter"
 			store-uri="imap:foo"