diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7ebb0850..2604d6dc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -77,6 +77,7 @@ jobs:
             smalltalk: GemStone64-3.6.0
           - os: windows-2019
             smalltalk: GemStone64-3.6.5
+    continue-on-error: ${{ matrix.os == 'macos-latest' && startsWith(matrix.smalltalk, 'GemStone64') }}
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
     steps:
diff --git a/repository/BaselineOfSmalltalkCI.package/BaselineOfSmalltalkCI.class/instance/setUpPharo5AndGreaterPackages..st b/repository/BaselineOfSmalltalkCI.package/BaselineOfSmalltalkCI.class/instance/setUpPharo5AndGreaterPackages..st
index ec4da646..8936a1e1 100644
--- a/repository/BaselineOfSmalltalkCI.package/BaselineOfSmalltalkCI.class/instance/setUpPharo5AndGreaterPackages..st
+++ b/repository/BaselineOfSmalltalkCI.package/BaselineOfSmalltalkCI.class/instance/setUpPharo5AndGreaterPackages..st
@@ -2,7 +2,7 @@ baseline
 setUpPharo5AndGreaterPackages: spec
 
 	spec
-		for: #(#'pharo5.x' #'pharo6.x' #'pharo7.x' #'pharo8.x' #'pharo9.x' #'pharo10.x' #'pharo11.x' #'pharo12.x', #'pharo13.x')
+		for: #(#'pharo5.x' #'pharo6.x' #'pharo7.x' #'pharo8.x' #'pharo9.x' #'pharo10.x' #'pharo11.x' #'pharo12.x' #'pharo13.x')
 		do: [ spec
 				package: 'SmalltalkCI-Core' with: [ spec includes: #('SmalltalkCI-Pharo-Core') ];
 				package: 'SmalltalkCI-Pharo-Core' with: [ spec requires: 'SmalltalkCI-Core' ];
diff --git a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/failureFixture.st b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/failureFixture.st
index 38d337c9..5f665045 100644
--- a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/failureFixture.st
+++ b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/failureFixture.st
@@ -1,31 +1,35 @@
 fixtures
 failureFixture
 
-	^ #( '#################################################'
-	     '# Stdout-testReportFailure                      #'
-	     '# 8 Tests with 4 Failures and 1 Errors in 0.01s #'
-	     '#################################################'
+	^ #(
+	     "The length of the separators and right padding depend on the time
+	     the test suite took to execute, so we need to account for differences"
+	     '#############################################*'
+	     '# Stdout-testReportFailure                  *#'
+	     '# 8 Tests with 4 Failures and 1 Errors in *s #'
+	     '#############################################*'
 	     '' '(3 tests passed)' '' 'SCIExcludedTests'
-	     ' ✓ #testDeprecation (0ms)'
-	     ' ✓ #testShouldFail (1ms)'
-	     ' ✓ #testShouldPass (0ms)'
+	     ' ✓ #testDeprecation (*ms)'
+	     ' ✓ #testShouldFail (*ms)'
+	     ' ✓ #testShouldPass (*ms)'
 	     '#########################'
 	     '# 5 tests did not pass: #'
 	     '#########################'
-	     '' ' ✗ #testAssertError (5ms)'
-	     'TestFailure: Got 3 instead of 4.'
-	     ' ✗ #testError (1ms)'
+	     '' ' ✗ #testAssertError (*ms)'
+	     "Squeak and Pharo differ in the wording for the next line"
+	     'TestFailure: * 3 * 4.'
+	     ' ✗ #testError (*ms)'
 	     'Error: An error message.'
-	     ' ✗ #testFailure (3ms)'
+	     ' ✗ #testFailure (*ms)'
 	     'TestFailure: A failure message.'
-	     ' ✗ #testShouldPassUnexpectedly (0ms)'
-	     'TestFailure: Test passed unexpectedly ✗ #testThisIsAVeryLongMethodNameThat...playedCorrectlyInATravisLog (0ms)'
+	     ' ✗ #testShouldPassUnexpectedly (*ms)'
+	     'TestFailure: Test passed unexpectedly ✗ #testThisIsAVeryLongMethodNameThat...playedCorrectlyInATravisLog (*ms)'
 	     'TestFailure: Assertion failed'
 	     '###########' '# Summary #'
-	     '###########' '' ' ✗ #testAssertError (5ms)'
-	     ' ✗ #testError (1ms)' ' ✗ #testFailure (3ms)'
-	     ' ✗ #testShouldPassUnexpectedly (0ms)'
-	     ' ✗ #testThisIsAVeryLongMethodNameThatProbablyNeedsToBeContractedInOrderToBeDisplayedCorrectlyInATravisLog (0ms)'
+	     '###########' '' ' ✗ #testAssertError (*ms)'
+	     ' ✗ #testError (*ms)' ' ✗ #testFailure (*ms)'
+	     ' ✗ #testShouldPassUnexpectedly (*ms)'
+	     ' ✗ #testThisIsAVeryLongMethodNameThatProbablyNeedsToBeContractedInOrderToBeDisplayedCorrectlyInATravisLog (*ms)'
 	     'smalltalkCI Deprecation Warnings'
 	     ' - SCIExcludedTests>>testDeprecation (This is just a test)'
-	     '  Executed 8 Tests with 4 Failures and 1 Errors in 0.01s.' )
\ No newline at end of file
+	     '  Executed 8 Tests with 4 Failures and 1 Errors in *s.' )
\ No newline at end of file
diff --git a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/successFixture.st b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/successFixture.st
index 5d07f9b3..60526ac2 100644
--- a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/successFixture.st
+++ b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/class/successFixture.st
@@ -1,14 +1,16 @@
 fixtures
 successFixture
 
-	^ #( '#################################################'
-	     '# Stdout-testReportSuccess                      #'
-	     '# 5 Tests with 0 Failures and 0 Errors in 0.01s #'
-	     '#################################################'
+	^ #( "The length of the separators and right padding depend on the time
+	     the test suite took to execute, so we need to account for differences"
+	     '#############################################*'
+	     '# Stdout-testReportSuccess                  *#'
+	     '# 5 Tests with 0 Failures and 0 Errors in *s #'
+	     '#############################################*'
 	     '' '(5 tests passed)' '' 'SCIPassingTests'
-	     ' ✓ #testAssert (0ms)'
-	     ' ✓ #testAssertEquals (0ms)'
-	     ' ✓ #testDeny (0ms)'
-	     ' ✓ #testEmpty (0ms)'
-	     ' ✓ #testRaise (0ms)'
-	     '  Executed 5 Tests with 0 Failures and 0 Errors in 0.01s.' )
\ No newline at end of file
+	     ' ✓ #testAssert (*ms)'
+	     ' ✓ #testAssertEquals (*ms)'
+	     ' ✓ #testDeny (*ms)'
+	     ' ✓ #testEmpty (*ms)'
+	     ' ✓ #testRaise (*ms)'
+	     '  Executed 5 Tests with 0 Failures and 0 Errors in *s.' )
\ No newline at end of file
diff --git a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/instance/assert.matches..st b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/instance/assert.matches..st
index eb5f56ee..49ee9693 100644
--- a/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/instance/assert.matches..st
+++ b/repository/SmalltalkCI-Tests.package/SCITestReporterStdoutTest.class/instance/assert.matches..st
@@ -2,23 +2,17 @@ helpers
 assert: fixtures matches: aString
 	"Assert that all lines in the fixture are present. The actual output may
 	contain additional lines and the order may be different.
-	Note that we replace durations in both fixtures and input."
+	Note that the fixtures are patterns for #match:"
 
-	| cleanRegex cleanString cleanLines |
-	cleanRegex := ' [0-9]+\.[0-9]+s|\([0-9]+ms\)' asRegex.
-	cleanString := cleanRegex
-		               copy: aString
-		               replacingMatchesWith: '_duration_'.
-
-	cleanLines := cleanString lines asOrderedCollection.
+	| cleanLines |
+	cleanLines := aString lines asOrderedCollection.
 	fixtures do: [ :fixture |
-		| cleanFixture index |
-		cleanFixture := cleanRegex
-			                copy: fixture
-			                replacingMatchesWith: '_duration_'.
-		index := cleanLines indexOf: cleanFixture ifAbsent: [
+		| matchedLine |
+		matchedLine := cleanLines
+			detect: [ :line | fixture match: line ]
+			ifNone: [
 			         TestResult failure signal:
-				         'Cannot match: "' , cleanFixture , '" to: "'
-				         , cleanString , '"' ].
+				         'Cannot match: "' , fixture , '" to: "'
+				         , aString , '"' ].
 		"We've seen this line, no need to look at it again"
-		cleanLines removeAt: index ]
\ No newline at end of file
+		cleanLines remove: matchedLine ]
\ No newline at end of file