def handlesCommandLineWithNoArgs() {
        when:
        builder.commandLine('command')

        then:
        builder.executable == 'command'
        builder.args == []
    }

    def convertsArgsToString() {
        when:
        builder.args(['1', 2, "${3}"])

        then:
        builder.args == ['1', '2', '3']
        builder.allArguments == ['1', '2', '3']
    }