small fixes for neuigkeit spec

spec/models/rubrik_spec.rb

@@ -2,5 +2,11 @@ require 'spec_helper'
 
 describe Rubrik do
   pending "add some examples to (or delete) #{__FILE__}"
-
+  let(:rubrik){FactoryGirl.create(:rubrik)}
+  it "should be valid" do
+    expect(rubrik).to be_valid
+  end
+  it "should be created" do
+    expect(rubrik.save).to be true
+  end
 end