Chris Muller uploaded a new version of CollectionsTests to project The Trunk:
http://source.squeak.org/trunk/CollectionsTests-cmm.206.mcz

==================== Summary ====================

Name: CollectionsTests-cmm.206
Author: cmm
Time: 31 August 2013, 4:34:41.685 pm
UUID: 18d460d5-be23-418b-a3f0-b340b0c3e948
Ancestors: CollectionsTests-nice.205

testAsMutator test with a selector that already ends with a colon.

=============== Diff against CollectionsTests-nice.205 ===============

Item was changed:
  ----- Method: SymbolTest>>testAsMutator (in category 'tests') -----
  testAsMutator
+ 	self 
+ 		assert: #x asMutator = #x: ;
+ 		assert: #x: asMutator = #x: ;
+ 		assert: #x asMutator isSymbol!
- 
- 	self assert: #x asMutator = #x:.
- 	self assert: #x asMutator isSymbol!