Since CUPS 1.4 there is no longer a readymade PostScript testpage in CUPS, see
https://bugzilla.novell.com/show_bug.cgi?id=520617
Therefore a slightly modified CUPS 1.3.10 testprint.ps was added
to yast2-printer as /usr/share/YaST2/data/testprint.ps
The following modifications
--- cups-1.3.10/data/testprint.ps 2009-01-13 18:27:16.000000000 +0100
+++ data/testprint.ps 2009-07-09 15:25:26.000000000 +0200
@@ -564 +564 @@
- (Printer Test Page) CENTER % Show text centered
+ (CUPS Printer Test Page) CENTER % Show text centered
@@ -570 +570 @@
- (Printed with CUPS v1.3.x) show
+ (Printed with CUPS) show
make it obvious that it is not a YaST testpage but a CUPS testpage
and it is now independent of the CUPS version.