Get users-guide tests running

And with this commit, no more errors. Next up is dealing with the
remaining failures

test/data/users-guide/example_address_book.rb

@@ -1,9 +1,10 @@
-require 'address_book'
+require_relative 'address_book'
 require 'yaml'
 require 'pp'
+require 'date'
 
 str = File.read('address_book.yaml')
-ydoc = YAML.load(str)
+ydoc = YAML.load(str, permitted_classes: [Date])
 addrbook = AddressBook.new(ydoc)
 
 pp addrbook.groups

test/data/users-guide/loadbabel.rb

@@ -1,5 +1,5 @@
 require 'kwalify'
-require 'models'
+require_relative 'models'
 
 ## load schema definition
 schema = Kwalify::Yaml.load_file('BABEL.schema.yaml',

test/test-users-guide.rb

@@ -2,8 +2,9 @@
 
 class UsersGuideTest < Test::Unit::TestCase
 
-  DATA_DIR = 'data/users-guide'
+  DATA_DIR = 'test/data/users-guide'
   CURR_DIR = Dir.pwd
+  puts "CURR DIR is #{CURR_DIR}"
   for item in Dir.glob("#{DATA_DIR}/*.result").sort()
     filename = File.basename(item)
     name = (filename =~ /(.*)\.\w+$/) && $1.gsub(/[^\w]/, '_')