Index: tests/contains.test
===================================================================
diff -u -re48161ab167236344f7d23da3e855c31d1a1ebc7 -r982b1e8d84f71b36961ba034754f2e35e1ddb869
--- tests/contains.test	(.../contains.test)	(revision e48161ab167236344f7d23da3e855c31d1a1ebc7)
+++ tests/contains.test	(.../contains.test)	(revision 982b1e8d84f71b36961ba034754f2e35e1ddb869)
@@ -2,8 +2,7 @@
 package prefer latest
 package require nx
 
-set ::tcl86 [package vsatisfies [package req Tcl] 8.6]
-set ::tcl90 [package vsatisfies [package req Tcl] 9.0]
+set ::tcl86 [package vsatisfies [package req Tcl] 8.6-]
 
 #
 # Intentionally, we do not want to make a "namespace import" in this
@@ -184,7 +183,7 @@
 set ::errorcode $::errorCode
 ? {set ::errorMsg} {somethingwrong}
 
-if {$::tcl86 || $::tcl90} {
+if {$::tcl86} {
   set r {somethingwrong
     while executing
 "o contains { return -code error -errorcode {FOO bar baz} somethingwrong}"}