-// cs1570-4.cs: XML comment on `T:Testing.InterfaceTest2' has non-well-formed XML ('summary' is expected Line 3, position 4.)
-// Line: 19
+// CS1570: XML documentation comment on `Testing.InterfaceTest2' is not well-formed XML markup (The 'summary' start tag on line 1 position 2 does not match the end tag of 'incorrect'. Line 3, position 3.)