keep the expected failure in earlier pharo

Johan Brichau · Johan Brichau · commit 59fdaf6b60e9 · 2020-12-26T11:27:40.000+01:00
diff --git a/repository/Grease-Tests-Core.package/GRUtf8CodecTest.class/instance/expectedFailures.st b/repository/Grease-Tests-Core.package/GRUtf8CodecTest.class/instance/expectedFailures.st
@@ -0,0 +1,5 @@
+testing
+expectedFailures
+	^ SystemVersion current major < 9 
+		ifTrue: [ #(testCodecUtf8ShortestForm) ]
+		ifFalse:[ #() ]
