Christoph Thiede uploaded a new version of ToolsTests to project The Trunk:
http://source.squeak.org/trunk/ToolsTests-ct.109.mcz

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

Name: ToolsTests-ct.109
Author: ct
Time: 30 January 2022, 9:28:24.728804 pm
UUID: c56e0d9a-d3df-4230-97bf-e1823ca8d154
Ancestors: ToolsTests-ct.108

Fixes #testUnwindDebugger on CI contexts where the StandardToolSet is not present by default.

=============== Diff against ToolsTests-ct.108 ===============

Item was changed:
  ----- Method: DebuggerTests>>tearDown (in category 'running') -----
  tearDown
  
  	debugger ifNotNil: [debugger close].
  	process ifNotNil: [process terminateAggressively].
  	
  	process := nil.
  	debugger := nil.
  	window := nil.
  
+ 	reset ifNotNil: [
+ 		reset do: #value].
- 	reset do: #value.	
  	
  	super tearDown.!

Item was changed:
  ----- Method: DebuggerUnwindBug>>testUnwindDebugger (in category 'tests') -----
  testUnwindDebugger
  	"test if unwind blocks work properly when a debugger is closed"
  	| sema process debugger top |
  	sema := Semaphore forMutualExclusion.
  	self assert: sema isSignaled.
  	process := [sema critical:[sema wait]] forkAt: Processor userInterruptPriority.
  	self deny: sema isSignaled.
  
  	"everything set up here - open a debug notifier"
+ 	debugger := Debugger
+ 		openOn: process
+ 		context: process suspendedContext
+ 		label: 'test'
+ 		contents: nil
+ 		fullView: false.
- 	debugger := process debugWithTitle: 'test' full: false.
  	"get into the debugger"
  	debugger debug.
  	top := debugger topView.
  	"set top context"
  	debugger toggleContextStackIndex: 1.
  	"close debugger"
  	top delete.
+ 	
- 
  	"and see if unwind protection worked"
  	self assert: sema isSignaled.!