(CommandList
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              terminator: <Op_Semi ";">
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            (C {(echo)} {(SQ <"Note, on Ubuntu / Debian, you may need to also install:">)})
            (C {(echo)} {(SQ <"$ sudo apt-get install nodejs-legacy">)})
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        (assign_pair
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              (CommandSubPart
                command_list: 
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              terminator: <Op_Semi ";">
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            (C {(echo)} {(SQ <"Node Package Manager (npm) is not properly installed">)})
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                        (BoolUnary
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              terminator: <Op_Semi ";">
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          action: [
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                (assign_pair
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                      (CommandSubPart
                        command_list: 
                          (CommandList
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                              (SimpleCommand
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                              (CommandSubPart
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                                  (CommandList
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                            (Sentence
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                                (DBracket
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                              terminator: <Op_Semi ";">
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                              {(SQ <"Please install and/or set CHROME_CANARY_BIN to its path">)}
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    (C {(npm)} {(test)})
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)