Fixing paths

Adding more Caf to the YAML
Test for the YAML to make sure it is valid YAML

test/models/caf_test.rb

@@ -1,4 +1,5 @@
 require "test_helper"
+require 'yaml'
 
 class CafTest < ActiveSupport::TestCase
   test "name_unique_per_company" do
@@ -11,4 +12,8 @@ class CafTest < ActiveSupport::TestCase
      c = Caf.new
      assert !c.save
    end
+
+   test "yaml file is valid" do
+     ymal = YAML.load_file('config/caf_text.yml')
+   end
 end