Tests in the new style produces the following documentation output:
abs
should not eq nil
should run abs() and raise an Puppet::ParseError
should run abs(-34) and return 34
should run abs("-34") and return 34
should run abs(34) and return 34
should run abs("34") and return 34
Currently, the member function allows one to only find if a variable
is part of an array. Sometimes it is useful to find if an array is part
of a bigger array for validation purpose.
