Chris Muller uploaded a new version of CollectionsTests to project The Inbox:
http://source.squeak.org/inbox/CollectionsTests-cmm.312.mcz

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

Name: CollectionsTests-cmm.312
Author: cmm
Time: 4 June 2019, 3:32:07.434178 pm
UUID: b63a7b5c-085b-4479-bc8d-8910d2afeeaf
Ancestors: CollectionsTests-mt.311

Additional test for #joinSeparatedBy: describes the expected behavior for unordered collections.

=============== Diff against CollectionsTests-mt.311 ===============

Item was added:
+ ----- Method: CollectionTest>>testJoin (in category 'tests') -----
+ testJoin
+ 	| joined |
+ 	self assert: #(a b c d e) join = 'abcde'.
+ 	self assert: (#(a b c) joinSeparatedBy: '|') = 'a|b|c'.
+ 	joined := (#(a b c) asSet) joinSeparatedBy: '|'.
+ 	self assert: (#(2 4) allSatisfy: [ : index | (joined at: index) = $| ]).
+ 	self assert: (#(1 3 5) allSatisfy: [ : index | 'abc' includes: (joined at: index) ])!

Item was removed:
- ----- Method: SequenceableCollectionTest>>testJoin (in category 'tests - converting') -----
- testJoin
- 
- 	self assert: #(a b c d e) join = 'abcde'.
- 	self assert: (#(a b c) joinSeparatedBy: '|') = 'a|b|c'.!