Hi Marcus, In the test below, which has your initials, the following methods are not understood. calculateShouldBeFrom:using: and modifySqueakMenu: Maybe you know where to get these methods from, how to implement them, or if we should rather delete the test? Cheers, Adrian HostSystemMenuTest>>testCharacterChanging | testString item shouldBe resultingString where | #(';' '^' '!' '<' '/' '(' ) do: [:c | #('*' '* ' '* ' '**' '** ' '** ' ')' '*)' '* )' '* )' '**)' '** )' '** )' ')' '*)' '*X)' '*XX)' '**)' '**X)' '**XX)' '))' '*))' '*X))' '*XX))' '**))' '**X))' '**XX))' '(' '*(' '*X(' '*XX(' '**)' '**X(' '**XX(' '((' '*((' '*X((' '*XX((' '**((' '**X((' '**XX((' ) do: [:template | testString := template copyReplaceAll: '*' with: c. testString permutationsDo: [:mixedUp | item := mixedUp copy. shouldBe := self calculateShouldBeFrom: item using: c. resultingString := self modifySqueakMenu: item copy. self should: [shouldBe = resultingString]. (where := resultingString indexOf: $/) > 0 ifTrue: [self should: [(mixedUp at: where) = $(]. self should: [(mixedUp at: where+2) = $)]. self should: [(mixedUp at: where+1) asUppercase = (resultingString at: where+1)]]]]]