diff --git a/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/instance/testSubject.st b/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/instance/testSubject.st
index 32ec124..4795727 100644
--- a/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/instance/testSubject.st
+++ b/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/instance/testSubject.st
@@ -6,6 +6,7 @@ testSubject
 	
 	self
 		patch: message at: #inbox withValue: (self patchNewAt: #name withValue: 'my-list');
+		patch: message inbox at: #subjectPrefix withValue: '[My-list] ';
 		patch: message
 			at: #mail
 			withValue: (self patchNewAt: #subject withValue: '[my-list] foo bar ').
diff --git a/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/methodProperties.json b/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/methodProperties.json
index 54c1fe0..1fd70ab 100644
--- a/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/methodProperties.json
+++ b/packages/SqueakInboxTalkTests.package/TalkMessageTest.class/methodProperties.json
@@ -6,4 +6,4 @@
 		"testAuthorTimestamp" : "ct 6/22/2023 23:25",
 		"testExplainTimezone" : "ct 6/4/2023 01:06",
 		"testPrintString" : "ct 5/20/2021 16:14",
-		"testSubject" : "ct 7/21/2021 01:00" } }
+		"testSubject" : "ct 7/1/2023 18:15" } }