fix issues with travis unit test config

.fixtures.yaml

@@ -0,0 +1,3 @@
+fixtures:
+  symlinks:
+    "create_resources": "#{source_dir}"

.travis.yaml

@@ -1,7 +1,5 @@
 language: ruby
 bundler_args: --without development
-before_script:
-  - "[ $PUPPET_GEM_VERSION ~> 2.6 ] && git clone git://github.com/puppetlabs/puppetlabs-create_resources.git spec/fixtures/modules/create_resources || true"
 script: "bundle exec rake spec SPEC_OPTS='--format documentation'"
 rvm:
   - 1.8.7

Gemfile

@@ -1,5 +1,9 @@
 source :rubygems
 
+group :development, :test do
+  gem 'puppetlabs_spec_helper', :require => false
+end
+
 if puppetversion = ENV['PUPPET_GEM_VERSION']
   gem 'puppet', puppetversion, :require => false
 else